diff options
| author | Peter Senna Tschudin <peter.senna@gmail.com> | 2014-05-31 09:14:05 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-25 17:16:55 -0400 |
| commit | 0e772b33a14a5fd27f1efce6855682323df9f9b8 (patch) | |
| tree | 5ae69711d038b783a65289bc77cc927d9f89d293 /drivers/scsi/bfa | |
| parent | 03a6c3ff3282ee9fa893089304d951e0be93a144 (diff) | |
bfa: remove useless return variables
This patch remove variables that are initialized with a constant,
are never updated, and are only used as parameter of return.
Return the constant instead of using a variable.
Verified by compilation only.
The coccinelle script that find and fixes this issue is:
// <smpl>
@@
type T;
constant C;
identifier ret;
@@
- T ret = C;
... when != ret
when strict
return
- ret
+ C
;
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Sudarsana Kalluru <Sudarsana.Kalluru@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/bfa')
| -rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 65f3e74819fc..023b9d42ad9a 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c | |||
| @@ -26,7 +26,6 @@ int | |||
| 26 | bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd) | 26 | bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd) |
| 27 | { | 27 | { |
| 28 | struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; | 28 | struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; |
| 29 | int rc = 0; | ||
| 30 | unsigned long flags; | 29 | unsigned long flags; |
| 31 | 30 | ||
| 32 | spin_lock_irqsave(&bfad->bfad_lock, flags); | 31 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| @@ -34,7 +33,7 @@ bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd) | |||
| 34 | if (!bfa_ioc_is_disabled(&bfad->bfa.ioc)) { | 33 | if (!bfa_ioc_is_disabled(&bfad->bfa.ioc)) { |
| 35 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | 34 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 36 | iocmd->status = BFA_STATUS_OK; | 35 | iocmd->status = BFA_STATUS_OK; |
| 37 | return rc; | 36 | return 0; |
| 38 | } | 37 | } |
| 39 | 38 | ||
| 40 | init_completion(&bfad->enable_comp); | 39 | init_completion(&bfad->enable_comp); |
| @@ -43,21 +42,20 @@ bfad_iocmd_ioc_enable(struct bfad_s *bfad, void *cmd) | |||
| 43 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | 42 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 44 | wait_for_completion(&bfad->enable_comp); | 43 | wait_for_completion(&bfad->enable_comp); |
| 45 | 44 | ||
| 46 | return rc; | 45 | return 0; |
| 47 | } | 46 | } |
| 48 | 47 | ||
| 49 | int | 48 | int |
| 50 | bfad_iocmd_ioc_disable(struct bfad_s *bfad, void *cmd) | 49 | bfad_iocmd_ioc_disable(struct bfad_s *bfad, void *cmd) |
| 51 | { | 50 | { |
| 52 | struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; | 51 | struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; |
| 53 | int rc = 0; | ||
| 54 | unsigned long flags; | 52 | unsigned long flags; |
| 55 | 53 | ||
| 56 | spin_lock_irqsave(&bfad->bfad_lock, flags); | 54 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 57 | if (bfa_ioc_is_disabled(&bfad->bfa.ioc)) { | 55 | if (bfa_ioc_is_disabled(&bfad->bfa.ioc)) { |
| 58 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); | 56 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 59 | iocmd->status = BFA_STATUS_OK; | 57 | iocmd->status = BFA_STATUS_OK; |
| 60 | return rc; | 58 | return 0; |
| 61 | } | 59 | } |
| 62 | 60 | ||
| 63 | if (bfad->disable_active) { | 61 | if (bfad->disable_active) { |
| @@ -74,7 +72,7 @@ bfad_iocmd_ioc_disable(struct bfad_s *bfad, void *cmd) | |||
| 74 | bfad->disable_active = BFA_FALSE; | 72 | bfad->disable_active = BFA_FALSE; |
| 75 | iocmd->status = BFA_STATUS_OK; | 73 | iocmd->status = BFA_STATUS_OK; |
| 76 | 74 | ||
| 77 | return rc; | 75 | return 0; |
| 78 | } | 76 | } |
| 79 | 77 | ||
| 80 | static int | 78 | static int |
