diff options
| author | Julia Lawall <julia@diku.dk> | 2010-05-26 17:59:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-06-18 15:16:21 -0700 |
| commit | 7c0ace54887872ebd99fefdfe85d273295a09426 (patch) | |
| tree | 2464f7f639986bff887d795ca3b5e5787f8ad43b /drivers/staging/vme | |
| parent | 45f9f018967c3fc112a03a99a8fdfad3621407a7 (diff) | |
Staging: vme: bridges: Add missing unlocks
Add a spin_unlock and mutex_unlock missing on the error path.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression E1;
@@
* spin_lock(E1,...);
<+... when != E1
if (...) {
... when != E1
* return ...;
}
...+>
* spin_unlock(E1,...);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/vme')
| -rw-r--r-- | drivers/staging/vme/bridges/vme_ca91cx42.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c index 0f9ea58ff717..16cf53e38a74 100644 --- a/drivers/staging/vme/bridges/vme_ca91cx42.c +++ b/drivers/staging/vme/bridges/vme_ca91cx42.c @@ -900,7 +900,8 @@ unsigned int ca91cx42_master_rmw(struct vme_master_resource *image, /* Address must be 4-byte aligned */ if (pci_addr & 0x3) { dev_err(dev, "RMW Address not 4-byte aligned\n"); - return -EINVAL; + result = -EINVAL; + goto out; } /* Ensure RMW Disabled whilst configuring */ @@ -921,6 +922,7 @@ unsigned int ca91cx42_master_rmw(struct vme_master_resource *image, /* Disable RMW */ iowrite32(0, bridge->base + SCYC_CTL); +out: spin_unlock(&(image->lock)); mutex_unlock(&(bridge->vme_rmw)); |