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Tanya Agarwal 3b619f2803 lib: 842: Improve error handling in sw842_compress() 
[ Upstream commit af324dc0e2 ]

The static code analysis tool "Coverity Scan" pointed the following
implementation details out for further development considerations:
CID 1309755: Unused value
In sw842_compress: A value assigned to a variable is never used. (CWE-563)
returned_value: Assigning value from add_repeat_template(p, repeat_count)
to ret here, but that stored value is overwritten before it can be used.

Conclusion:
Add error handling for the return value from an add_repeat_template()
call.

Fixes: 2da572c959 ("lib: add software 842 compression/decompression")
Signed-off-by: Tanya Agarwal <tanyaagarwal25699@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-10 14:32:00 +02:00
..
842
lib: 842: Improve error handling in sw842_compress()
2025-04-10 14:32:00 +02:00
crypto
crypto: lib - remove unneeded selection of XOR_BLOCKS
2022-09-05 10:30:03 +02:00
dim
linux/dim: Do nothing if no time delta between samples
2023-05-24 17:36:41 +01:00
fonts
lib/fonts: fix undefined behavior in bit shift for get_default_font
2022-12-31 13:14:02 +01:00
kunit
kunit: Fix timeout message
2024-07-18 13:07:29 +02:00
livepatch
selftests/livepatch: better synchronize test_klp_callbacks_busy
2022-08-17 14:24:03 +02:00
lz4
lz4: fix LZ4_decompress_safe_partial read out of bound
2022-04-13 20:59:21 +02:00
lzo
lib/lzo/lzo1x_compress.c: make lzogeneric1x_1_compress() static
2020-12-15 22:46:19 -08:00
math
bitmap: introduce generic optimized bitmap_size()
2024-09-04 13:23:16 +02:00
mpi
crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
2024-02-23 08:55:11 +01:00
pldmfw
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
raid6
lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3
2022-04-08 14:23:56 +02:00
reed_solomon
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
vdso
lib/vdso: use "grep -E" instead of "egrep"
2022-12-02 17:41:08 +01:00
xz
xz: cleanup CRC32 edits from 2018
2024-10-17 15:10:56 +02:00
zlib_deflate
…
zlib_dfltcc
zlib: move EXPORT_SYMBOL() and MODULE_LICENSE() out of dfltcc_syms.c
2020-12-29 15:36:49 -08:00
zlib_inflate
lib/zlib_inflate/inffast: check config in C to avoid unused function warning
2021-09-24 16:13:35 -07:00
zstd
lib/decompressors: fix spelling mistakes
2021-07-01 11:06:05 -07:00
.gitignore
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
argv_split.c
…
ashldi3.c
…
ashrdi3.c
…
asn1_decoder.c
Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
2020-11-18 14:15:17 -06:00
asn1_encoder.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
assoc_array.c
assoc_array: Fix BUG_ON during garbage collect
2022-06-06 08:43:37 +02:00
atomic64_test.c
…
atomic64.c
locking/atomic: atomic64: support ARCH_ATOMIC
2021-05-26 13:20:50 +02:00
audit.c
…
bcd.c
…
bch.c
lib/bch.c: fix a typo in the file bch.c
2021-05-06 19:24:12 -07:00
bitfield_kunit.c
…
bitmap.c
bitmap: extend comment to bitmap_print_bitmask/list_to_buf
2021-08-13 10:27:50 +02:00
bitrev.c
…
bootconfig.c
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
bsearch.c
…
btree.c
…
bucket_locks.c
…
bug.c
bug: Assign values once in bug_get_file_line()
2021-04-01 09:54:37 +01:00
build_OID_registry
…
buildid.c
lib/buildid: Handle memfd_secret() files in build_id_parse()
2025-04-10 14:31:52 +02:00
bust_spinlocks.c
…
check_signature.c
…
checksum.c
…
clz_ctz.c
lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels
2023-08-30 16:18:18 +02:00
clz_tab.c
…
cmdline_kunit.c
lib/cmdline: Fix an invalid format specifier in an assertion msg
2024-03-26 18:21:15 -04:00
cmdline.c
lib/cmdline: Export next_arg() for being used in modules
2021-05-05 16:07:40 +02:00
cmpdi2.c
…
compat_audit.c
…
cpu_rmap.c
lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
2023-06-14 11:13:04 +02:00
cpumask.c
memblock: drop memblock_free_early_nid() and memblock_free_early()
2025-03-13 12:50:07 +01:00
crc4.c
…
crc7.c
lib/crc7: fix a kernel-doc markup
2021-01-21 14:06:00 -07:00
crc8.c
lib: crc8: pointer to data block should be const
2021-05-06 19:24:12 -07:00
crc16.c
…
crc32.c
…
crc32defs.h
…
crc32test.c
lib/crc32test: remove extra local_irq_disable/enable
2020-11-02 12:14:19 -08:00
crc64.c
lib: crc64: fix kernel-doc warning
2021-06-05 08:58:12 -07:00
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
…
debug_info.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
debug_locks.c
locking/lockdep: Improve noinstr vs errors
2021-06-22 13:56:43 +02:00
debugobjects.c
debugobjects: Fix conditions in fill_pool()
2024-10-17 15:11:14 +02:00
dec_and_lock.c
…
decompress_bunzip2.c
decompress_bunzip2: fix rare decompression failure
2024-08-19 05:45:16 +02:00
decompress_inflate.c
…
decompress_unlz4.c
lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
2021-07-01 11:06:06 -07:00
decompress_unlzma.c
lib: fix inconsistent indenting in process_bit1()
2021-05-06 19:24:12 -07:00
decompress_unlzo.c
lib/decompressors: remove set but not used variabled 'level'
2021-07-01 11:06:06 -07:00
decompress_unxz.c
lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression
2021-11-18 19:16:17 +01:00
decompress_unzstd.c
lib/decompressors: fix spelling mistakes
2021-07-01 11:06:05 -07:00
decompress.c
…
devmem_is_allowed.c
lib: use PFN_PHYS() in devmem_is_allowed()
2021-08-13 14:09:32 -10:00
devres.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
digsig.c
crypto: sha - split sha.h into sha1.h and sha2.h
2020-11-20 14:45:33 +11:00
dump_stack.c
lib/dump_stack: correct kernel-doc notation
2021-09-08 11:50:26 -07:00
dynamic_debug.c
dyndbg: fix old BUG_ON in >control parser
2024-05-17 11:51:04 +02:00
dynamic_queue_limits.c
…
earlycpio.c
lib: remove "expecting prototype" kernel-doc warnings
2021-04-16 16:10:37 -07:00
errname.c
parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes
2023-12-08 08:48:02 +01:00
error-inject.c
fault-injection: handle EI_ETYPE_TRUE
2020-12-15 22:46:19 -08:00
errseq.c
kernel.h: split out mathematical helpers
2020-12-15 22:46:15 -08:00
extable.c
sparc32: switch to generic extables
2021-01-03 20:05:18 -05:00
fault-inject-usercopy.c
…
fault-inject.c
…
fdt_addresses.c
…
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit_benchmark.c
…
find_bit.c
lib: add fast path for find_first_*_bit() and find_last_bit()
2021-05-06 19:24:12 -07:00
flex_proportions.c
…
gen_crc32table.c
…
gen_crc64table.c
…
genalloc.c
lib/genalloc: add parameter description to fix doc compile warning
2021-05-06 19:24:12 -07:00
generic-radix-tree.c
lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()
2024-09-12 11:07:50 +02:00
glob.c
Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
2020-11-18 14:15:17 -06:00
globtest.c
…
hexdump.c
hex2bin: fix access beyond string end
2022-05-09 09:14:30 +02:00
hweight.c
…
idr.c
ida: Fix crash in ida_free when the bitmap is empty
2024-01-25 14:52:30 -08:00
inflate.c
…
interval_tree_test.c
…
interval_tree.c
…
iomap_copy.c
…
iomap.c
…
iommu-helper.c
…
iov_iter.c
fix short copy handling in copy_mc_pipe_to_iter()
2022-08-17 14:22:51 +02:00
irq_poll.c
…
irq_regs.c
…
is_single_threaded.c
…
kasprintf.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
Kconfig
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
Kconfig.debug
lockdep: Fix upper limit for LOCKDEP_*_BITS configs
2025-03-13 12:50:17 +01:00
Kconfig.kasan
kasan: fix Kconfig check of CC_HAS_WORKING_NOSANITIZE_ADDRESS
2021-09-24 16:13:34 -07:00
Kconfig.kcsan
kcsan: Make strict mode imply interruptible watchers
2021-07-20 13:49:44 -07:00
Kconfig.kfence
kfence: allow use of a deferrable timer
2025-03-13 12:50:49 +01:00
Kconfig.kgdb
…
Kconfig.ubsan
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
2022-04-13 20:59:27 +02:00
kfifo.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
klist.c
…
kobject_uevent.c
kobject_uevent: Fix OOB access within zap_modalias_env()
2024-08-19 05:45:17 +02:00
kobject.c
kobject: Add sanity check for kset->kobj.ktype in kset_register()
2023-09-23 11:09:59 +02:00
kstrtox.c
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
kstrtox.h
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-05-19 15:05:11 +02:00
libcrc32c.c
…
linear_ranges.c
lib: add linear range get selector within
2021-08-13 18:37:38 +02:00
list_debug.c
lib/list_debug.c: Detect uninitialized lists
2022-08-25 11:40:40 +02:00
list_sort.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
list-test.c
list: test: Add a test for list_is_head()
2022-06-09 10:23:31 +02:00
llist.c
…
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-rtmutex.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
lockdep/selftest: Remove wait-type RCU_CALLBACK tests
2021-06-22 16:42:08 +02:00
lockref.c
lockref: stop doing cpu_relax in the cmpxchg loop
2023-02-01 08:27:19 +01:00
logic_iomem.c
lib/logic_iomem: correct fallback config references
2022-04-13 20:58:59 +02:00
logic_pio.c
PCI: Fix pci_register_io_range() memory leak
2021-02-17 17:31:06 -06:00
lru_cache.c
lib: remove "expecting prototype" kernel-doc warnings
2021-04-16 16:10:37 -07:00
lshrdi3.c
…
Makefile
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
memcat_p.c
…
memneq.c
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
memory-notifier-error-inject.c
…
memregion.c
…
memweight.c
…
muldi3.c
…
net_utils.c
…
netdev-notifier-error-inject.c
…
nlattr.c
netlink: prevent potential spectre v1 gadgets
2023-02-01 08:27:26 +01:00
nmi_backtrace.c
printk: restore flushing of NMI buffers on remote CPUs after NMI backtraces
2021-11-25 09:48:45 +01:00
nodemask.c
nodemask: Fix return values to be unsigned
2022-06-14 18:36:24 +02:00
notifier-error-inject.c
lib/notifier-error-inject: fix error when writing -errno to debugfs file
2022-12-31 13:14:03 +01:00
notifier-error-inject.h
…
objagg.c
mlxsw: spectrum_acl_erp: Fix object nesting warning
2024-08-19 05:44:56 +02:00
of-reconfig-notifier-error-inject.c
…
oid_registry.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
once.c
once: add DO_ONCE_SLOW() for sleepable contexts
2022-10-26 12:34:49 +02:00
packing.c
net: update NXP copyright text
2021-09-17 13:52:17 +01:00
parman.c
lib: remove "expecting prototype" kernel-doc warnings
2021-04-16 16:10:37 -07:00
parser.c
kernel.h: split out kstrtox() and simple_strtox() to a separate header
2021-07-01 11:06:05 -07:00
pci_iomap.c
pci_iounmap(): Fix MMIO mapping leak
2024-04-10 16:18:34 +02:00
percpu_counter.c
lib/percpu_counter: tame kernel-doc compile warning
2021-05-06 19:24:12 -07:00
percpu_test.c
…
percpu-refcount.c
percpu_ref_init(): clean ->percpu_count_ref on failure
2022-06-06 08:43:36 +02:00
plist.c
…
pm-notifier-error-inject.c
…
radix-tree.c
radix tree: remove unused variable
2023-08-30 16:18:18 +02:00
random32.c
random: replace custom notifier chain with standard one
2022-05-30 09:29:10 +02:00
ratelimit.c
ratelimit: Fix data-races in ___ratelimit().
2022-08-31 17:16:43 +02:00
rbtree_test.c
…
rbtree.c
…
refcount.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
rhashtable.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
sbitmap.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
scatterlist.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
seq_buf.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
sg_pool.c
lib/scatterlist: Fix wrong update of orig_nents
2021-08-24 19:52:40 -03:00
sg_split.c
…
sha1.c
lib/crypto: sha1: re-roll loops to reduce code size
2022-05-30 09:28:59 +02:00
show_mem.c
…
siphash.c
siphash: use one source of truth for siphash permutations
2022-05-30 09:29:15 +02:00
slub_kunit.c
mm/slub, kunit: Use inverted data to corrupt kmem cache
2024-06-16 13:39:16 +02:00
smp_processor_id.c
lib/smp_processor_id: fix imbalanced instrumentation_end() call
2022-08-17 14:24:08 +02:00
sort.c
lib: fix spelling mistakes
2021-07-08 11:48:20 -07:00
stackdepot.c
stackdepot: respect __GFP_NOLOCKDEP allocation flag
2024-05-02 16:24:49 +02:00
stmp_device.c
…
string_helpers.c
lib: string_helpers: silence snprintf() output truncation warning
2024-12-14 19:51:18 +01:00
string.c
string: improve default out-of-line memcmp() implementation
2021-08-30 07:50:56 -07:00
strncpy_from_user.c
lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
2020-11-19 11:56:16 -08:00
strnlen_user.c
…
syscall.c
sched: Change task_struct::state
2021-06-18 11:43:09 +02:00
test_bitmap.c
lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
2021-08-13 10:27:49 +02:00
test_bitops.c
lib/test: fix spelling mistakes
2021-07-08 11:48:20 -07:00
test_bits.c
…
test_blackhole_dev.c
net: blackhole_dev: fix build warning for ethh set but not used
2024-03-26 18:21:18 -04:00
test_bpf.c
test_bpf: fix incorrect netdev features
2022-08-17 14:23:23 +02:00
test_debug_virtual.c
…
test_firmware.c
test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation
2023-07-23 13:47:25 +02:00
test_fpu.c
selftests/fpu: Fix debugfs_simple_attr.cocci warning
2021-01-18 11:03:26 +01:00
test_free_pages.c
lib/test_free_pages.c: add basic progress indicators
2020-12-15 22:46:16 -08:00
test_hash.c
…
test_hexdump.c
…
test_hmm_uapi.h
mm: selftests for exclusive device memory
2021-07-01 11:06:03 -07:00
test_hmm.c
lib/test_hmm: avoid accessing uninitialized pages
2022-08-17 14:23:43 +02:00
test_ida.c
ida: Fix crash in ida_free when the bitmap is empty
2024-01-25 14:52:30 -08:00
test_kasan_module.c
kasan: test: avoid corrupting memory in kasan_rcu_uaf
2021-09-03 09:58:15 -07:00
test_kasan.c
kasan/test: avoid gcc warning for intentional overflow
2024-04-10 16:18:35 +02:00
test_kmod.c
lib/test: use after free in register_test_dev_kmod()
2022-04-08 14:23:54 +02:00
test_linear_ranges.c
…
test_list_sort.c
lib/test: convert lib/test_list_sort.c to use KUnit
2021-06-25 11:31:03 -06:00
test_lockup.c
lib/test_lockup: fix kernel pointer check for separate address spaces
2022-04-08 14:24:01 +02:00
test_memcat_p.c
…
test_meminit.c
lib/test_meminit: fix off-by-one error in test_pages()
2023-10-19 23:05:33 +02:00
test_min_heap.c
…
test_module.c
…
test_objagg.c
…
test_overflow.c
overflow: Implement size_t saturating arithmetic helpers
2022-12-31 13:14:33 +01:00
test_parman.c
…
test_printf.c
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
test_rhashtable.c
rhashtable: avoid -Wrestrict warning on overlapping sprintf output
2021-03-24 15:16:09 -07:00
test_scanf.c
lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix()
2023-09-19 12:23:01 +02:00
test_siphash.c
…
test_sort.c
lib/test: convert test_sort.c to use KUnit
2021-09-08 11:50:26 -07:00
test_stackinit.c
lib: stackinit: hide never-taken branch from compiler
2025-01-09 13:28:41 +01:00
test_static_key_base.c
…
test_static_keys.c
…
test_string.c
lib/test_string.c: allow module removal
2021-07-01 11:06:05 -07:00
test_strscpy.c
…
test_sysctl.c
…
test_ubsan.c
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
2022-04-13 20:59:27 +02:00
test_user_copy.c
…
test_uuid.c
…
test_vmalloc.c
lib/test_vmalloc.c: add a new 'nr_pages' parameter
2021-09-03 09:58:14 -07:00
test_xarray.c
XArray: Fix xas_create_range() when multi-order entry present
2022-04-08 14:24:09 +02:00
test-kstrtox.c
…
test-string_helpers.c
string_helpers: Escape double quotes in escape_special
2021-07-19 11:39:28 +02:00
textsearch.c
…
timerqueue.c
rbtree, timerqueue: Use rb_add_cached()
2021-02-17 14:08:01 +01:00
ts_bm.c
lib/ts_bm: reset initial match offset for every block of text
2023-07-23 13:46:56 +02:00
ts_fsm.c
Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
2020-11-18 14:15:17 -06:00
ts_kmp.c
…
ubsan.c
panic: Consolidate open-coded panic_on_warn checks
2023-02-01 08:27:22 +01:00
ubsan.h
ubsan: implement __ubsan_handle_alignment_assumption
2021-02-05 11:03:47 -08:00
ucmpdi2.c
…
ucs2_string.c
…
usercopy.c
uaccess: Add speculation barrier to copy_from_user()
2023-02-25 12:06:44 +01:00
uuid.c
…
vsprintf.c
lib/vsprintf: Fix %pfwf when current node refcount == 0
2024-01-05 15:13:35 +01:00
win_minmax.c
…
xarray.c
XArray: Update the LRU list in xas_split()
2022-04-08 14:24:09 +02:00
xxhash.c
…