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| author |   Martyn Welch <martyn.welch@gefanuc.com> | 2009-10-29 16:35:27 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 12:23:18 -0800 |
| commit | a5c330fe8b2f1e17133190e0b297a710c5a4de04 (patch) | |
| tree | 35dee52cf4e500101f9267984a8e17ce416f77fc /drivers/staging/vme/vme.c | |
| parent | Staging: vme: Rename VME DMA functions (diff) | |
| download | linux-dev-a5c330fe8b2f1e17133190e0b297a710c5a4de04.tar.xz linux-dev-a5c330fe8b2f1e17133190e0b297a710c5a4de04.zip | |
staging: vme: Fix mutex locking
Fix incorrect use of mutex_trylock().
Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/vme/vme.c')
| -rw-r--r-- | drivers/staging/vme/vme.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c index ca9e4de46149..994fdb9b2127 100644 --- a/drivers/staging/vme/vme.c +++ b/drivers/staging/vme/vme.c @@ -879,7 +879,7 @@ int vme_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src, return -EINVAL; } - if (mutex_trylock(&(list->mtx))) { + if (!mutex_trylock(&(list->mtx))) { printk("Link List already submitted\n"); return -EINVAL; } @@ -922,7 +922,7 @@ int vme_dma_list_free(struct vme_dma_list *list) return -EINVAL; } - if (mutex_trylock(&(list->mtx))) { + if (!mutex_trylock(&(list->mtx))) { printk("Link List in use\n"); return -EINVAL; } @@ -955,7 +955,7 @@ int vme_dma_free(struct vme_resource *resource) ctrlr = list_entry(resource->entry, struct vme_dma_resource, list); - if (mutex_trylock(&(ctrlr->mtx))) { + if (!mutex_trylock(&(ctrlr->mtx))) { printk("Resource busy, can't free\n"); return -EBUSY; } |