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Dan Carpenter f02bfec06f perf/core: Fix error handling in perf_event_alloc() 
[ Upstream commit 36cc2b9222 ]

We don't set an error code here which means that perf_event_alloc()
returns ERR_PTR(0) (in other words NULL).  The callers are not expecting
that and would Oops.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes: 375637bc52 ("perf/core: Introduce address range filtering")
Link: http://lkml.kernel.org/r/20170522090418.hvs6icgpdo53wkn5@mwanda
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-13 19:48:03 +02:00
..
bpf
bpf: skip unnecessary capability check
2018-03-28 18:39:26 +02:00
configs
…
debug
kdb: Fix handling of kallsyms_symbol_next() return value
2017-12-14 09:28:13 +01:00
events
perf/core: Fix error handling in perf_event_alloc()
2018-04-13 19:48:03 +02:00
gcov
gcov: support GCC 7.1
2017-09-02 07:07:53 +02:00
irq
genirq: Use cpumask_available() for check of cpumask variable
2018-04-08 12:12:44 +02:00
livepatch
…
locking
locking/locktorture: Fix num reader/writer corner cases
2018-03-22 09:17:58 +01:00
power
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
2017-10-12 11:51:25 +02:00
printk
printk: Correctly handle preemption in console_unlock()
2018-03-22 09:17:47 +01:00
rcu
rcu: Allow for page faults in NMI handlers
2017-10-18 09:35:38 +02:00
sched
sched: Stop resched_cpu() from sending IPIs to offline CPUs
2018-03-22 09:17:54 +01:00
time
time: Change posix clocks ops interfaces to use timespec64
2018-03-24 11:00:09 +01:00
trace
tracing: probeevent: Fix to support minus offset from symbol
2018-03-28 18:39:23 +02:00
.gitignore
…
acct.c
kernel/acct.c: fix the acct->needcheck check in check_free_space()
2018-01-10 09:29:51 +01:00
async.c
kernel/async.c: revert "async: simplify lowest_in_progress()"
2018-02-17 13:21:18 +01:00
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
audit: Fix use after free in audit_remove_watch_rule()
2017-08-24 17:12:18 -07:00
audit.c
audit: ensure that 'audit=1' actually enables audit for PID 1
2017-12-16 16:25:47 +01:00
audit.h
…
auditfilter.c
…
auditsc.c
…
backtracetest.c
…
bounds.c
…
capability.c
ptrace: Capture the ptracer's creds not PT_PTRACE_CAP
2017-01-06 10:40:13 +01:00
cgroup_freezer.c
…
cgroup_pids.c
cgroup/pids: remove spurious suspicious RCU usage warning
2017-03-26 13:05:58 +02:00
cgroup.c
cgroup: fix error return value from cgroup_subtree_control()
2017-08-11 08:49:28 -07:00
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
timers: Reinitialize per cpu bases on hotplug
2018-01-02 20:35:17 +01:00
cpuset.c
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
2017-10-12 11:51:25 +02:00
crash_dump.c
…
cred.c
…
delayacct.c
…
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
sched/autogroup: Do not use autogroup->tg in zombie threads
2016-11-22 12:33:43 +01:00
extable.c
kernel/extable.c: mark core_kernel_text notrace
2017-07-21 07:42:21 +02:00
fork.c
kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE
2018-01-05 15:46:32 +01:00
freezer.c
…
futex_compat.c
…
futex.c
futex: Prevent overflow by strengthen input validation
2018-01-23 19:57:04 +01:00
groups.c
kernel: make groups_sort calling a responsibility group_info allocators
2018-01-10 09:29:52 +01:00
hung_task.c
…
irq_work.c
…
jump_label.c
jump_label: Invoke jump_label_test() via early_initcall()
2017-12-14 09:28:24 +01:00
kallsyms.c
…
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: detect double association with a single task
2018-02-25 11:05:42 +01:00
kexec_core.c
…
kexec_file.c
…
kexec_internal.h
…
kexec.c
…
kmod.c
…
kprobes.c
kprobes/x86: Fix to set RWX bits correctly before releasing trampoline
2018-04-08 12:12:43 +02:00
ksysfs.c
…
kthread.c
cgroup, kthread: close race window where new kthreads can be migrated to non-root cgroups
2017-04-21 09:31:18 +02:00
latencytop.c
…
Makefile
kernel/watchdog.c: move hardlockup detector to separate file
2017-06-17 06:41:57 +02:00
membarrier.c
Fix: Disable sys_membarrier when nohz_full is enabled
2017-03-12 06:41:45 +01:00
memremap.c
mm: Fix devm_memremap_pages() collision handling
2018-02-28 10:18:34 +01:00
module_signing.c
…
module-internal.h
…
module.c
module: extend 'rodata=off' boot cmdline parameter to module mappings
2018-04-08 12:12:52 +02:00
notifier.c
…
nsproxy.c
…
padata.c
padata: free correct variable
2017-05-20 14:28:40 +02:00
panic.c
kernel/panic.c: add missing \n
2017-07-05 14:40:24 +02:00
params.c
…
pid_namespace.c
pid_ns: Sleep in TASK_INTERRUPTIBLE in zap_pid_ns_processes
2017-05-25 15:44:38 +02:00
pid.c
pidns: disable pid allocation if pid_ns_prepare_proc() is failed in alloc_pid()
2018-04-13 19:47:53 +02:00
profile.c
…
ptrace.c
ptrace: Properly initialize ptracer_cred on fork
2017-06-14 15:05:54 +02:00
range.c
…
reboot.c
…
relay.c
kernel/relay.c: revert "kernel/relay.c: fix potential memory leak"
2018-02-17 13:21:18 +01:00
resource.c
…
seccomp.c
seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()
2017-10-05 09:44:02 +02:00
signal.c
kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in complete_signal()
2018-01-10 09:29:53 +01:00
smp.c
…
smpboot.c
…
smpboot.h
…
softirq.c
…
stacktrace.c
stacktrace, lockdep: Fix address, newline ugliness
2017-02-14 15:25:42 -08:00
stop_machine.c
…
sys_ni.c
…
sys.c
…
sysctl_binary.c
…
sysctl.c
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
2017-10-05 09:44:04 +02:00
task_work.c
…
taskstats.c
…
test_kprobes.c
…
torture.c
…
tracepoint.c
…
tsacct.c
…
ucount.c
kernel/ucount.c: mark user_header with kmemleak_ignore()
2017-06-17 06:41:51 +02:00
uid16.c
kernel: make groups_sort calling a responsibility group_info allocators
2018-01-10 09:29:52 +01:00
up.c
…
user_namespace.c
…
user-return-notifier.c
…
user.c
…
utsname_sysctl.c
…
utsname.c
…
watchdog_hld.c
kernel/watchdog: prevent false hardlockup on overloaded system
2017-06-17 06:41:57 +02:00
watchdog.c
kernel/watchdog: prevent false hardlockup on overloaded system
2017-06-17 06:41:57 +02:00
workqueue_internal.h
workqueue: Fix NULL pointer dereference
2017-11-15 15:53:17 +01:00
workqueue.c
workqueue: Allow retrieval of current task's work struct
2018-03-18 11:18:48 +01:00