Re: [PATCH] vhost-net: fix vq_memory_access_ok error checking
On Wed, Apr 07, 2010 at 09:59:10AM -0400, Jeff Dike wrote:
vq_memory_access_ok needs to check whether mem == NULL
Signed-off-by: Jeff Dike jd...@linux.intel.com
Signed-off-by: Michael S. Tsirkin m...@redhat.com
This was already queued by me, you do not need to
fill Dave's inbox with vhost patches.
---
drivers/vhost/vhost.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7bd7a1e..b8e1127 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -235,6 +235,10 @@ static int vq_memory_access_ok(void __user *log_base,
struct vhost_memory *mem,
int log_all)
{
int i;
+
+if (!mem)
+return 0;
+
for (i = 0; i mem-nregions; ++i) {
struct vhost_memory_region *m = mem-regions + i;
unsigned long a = m-userspace_addr;
--
1.7.0.2.280.gc6f05
--
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Re: [PATCH] vhost-net: fix vq_memory_access_ok error checking
On Tue, Apr 13, 2010 at 06:01:21PM +0300, Michael S. Tsirkin wrote:
On Wed, Apr 07, 2010 at 09:59:10AM -0400, Jeff Dike wrote:
vq_memory_access_ok needs to check whether mem == NULL
Signed-off-by: Jeff Dike jd...@linux.intel.com
Signed-off-by: Michael S. Tsirkin m...@redhat.com
This was already queued by me, you do not need to
fill Dave's inbox with vhost patches.
This was sent in error, please ignore.
Sorry about the noise.
---
drivers/vhost/vhost.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7bd7a1e..b8e1127 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -235,6 +235,10 @@ static int vq_memory_access_ok(void __user *log_base,
struct vhost_memory *mem,
int log_all)
{
int i;
+
+if (!mem)
+return 0;
+
for (i = 0; i mem-nregions; ++i) {
struct vhost_memory_region *m = mem-regions + i;
unsigned long a = m-userspace_addr;
--
1.7.0.2.280.gc6f05
--
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