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drbd: Change drbd_request_detach_interruptible's return type to int

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Clang warns when an implicit conversion is done between enumerated
types:

drivers/block/drbd/drbd_state.c:708:8: warning: implicit conversion from
enumeration type 'enum drbd_ret_code' to different enumeration type
'enum drbd_state_rv' [-Wenum-conversion]
                rv = ERR_INTR;
                   ~ ^~~~~~~~

drbd_request_detach_interruptible's only call site is in the return
statement of adm_detach, which returns an int. Change the return type of
drbd_request_detach_interruptible to match, silencing Clang's warning.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Nathan Chancellor
2018-12-20 17:23:44 +01:00
committed by Jens Axboe
parent a52c5a16cf
commit 5816a0932b
2 changed files with 3 additions and 6 deletions
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drivers/block/drbd/drbd_state.c
+2 -4
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@@ -688,11 +688,9 @@ request_detach(struct drbd_device *device)
CS_VERBOSE | CS_ORDERED | CS_INHIBIT_MD_IO);
}
enum drbd_state_rv
drbd_request_detach_interruptible(struct drbd_device *device)
int drbd_request_detach_interruptible(struct drbd_device *device)
{
enum drbd_state_rv rv;
int ret;
int ret, rv;
drbd_suspend_io(device); /* so no-one is stuck in drbd_al_begin_io */
wait_event_interruptible(device->state_wait,