[PATCH 7/7] staging: vme: Fix mutex locking

[Martyn Welch]

Fix incorrect use of mutex_trylock().

Signed-off-by: Martyn Welch <martyn.welch at gefanuc.com>
---

 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 ca9e4de..994fdb9 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;
 	}


--
Martyn Welch MEng MPhil MIET (Principal Software Engineer)   T:+44(0)1327322748
GE Fanuc Intelligent Platforms Ltd,        |Registered in England and Wales
Tove Valley Business Park, Towcester,      |(3828642) at 100 Barbirolli Square,
Northants, NN12 6PF, UK T:+44(0)1327359444 |Manchester,M2 3AB  VAT:GB 927559189