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Commit a5c330fe authored by Martyn Welch's avatar Martyn Welch Committed by Greg Kroah-Hartman
Browse files

staging: vme: Fix mutex locking 



Fix incorrect use of mutex_trylock().

Signed-off-by: default avatarMartyn Welch <martyn.welch@gefanuc.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 58e50798

drivers/staging/vme/vme.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

	}