summaryrefslogtreecommitdiff
path: root/drivers/block/aoe/aoechr.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-15 22:29:07 (GMT)
committerIngo Molnar <mingo@elte.hu>2008-07-15 22:29:07 (GMT)
commit82638844d9a8581bbf33201cc209a14876eca167 (patch)
tree961d7f9360194421a71aa644a9d0c176a960ce49 /drivers/block/aoe/aoechr.c
parent9982fbface82893e77d211fbabfbd229da6bdde6 (diff)
parent63cf13b77ab785e87c867defa8545e6d4a989774 (diff)
downloadlinux-fsl-qoriq-82638844d9a8581bbf33201cc209a14876eca167.tar.xz
Merge branch 'linus' into cpus4096
Conflicts: arch/x86/xen/smp.c kernel/sched_rt.c net/iucv/iucv.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/block/aoe/aoechr.c')
-rw-r--r--drivers/block/aoe/aoechr.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index e8e60e7..d1de68a 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -7,6 +7,7 @@
#include <linux/hdreg.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
+#include <linux/smp_lock.h>
#include "aoe.h"
enum {
@@ -174,12 +175,16 @@ aoechr_open(struct inode *inode, struct file *filp)
{
int n, i;
+ lock_kernel();
n = iminor(inode);
filp->private_data = (void *) (unsigned long) n;
for (i = 0; i < ARRAY_SIZE(chardevs); ++i)
- if (chardevs[i].minor == n)
+ if (chardevs[i].minor == n) {
+ unlock_kernel();
return 0;
+ }
+ unlock_kernel();
return -EINVAL;
}