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authorJonathan Corbet <corbet@lwn.net>2008-05-15 12:03:09 -0400
committerJonathan Corbet <corbet@lwn.net>2008-06-20 16:03:43 -0400
commit579174a55f491edeaccb8f5d3dc7ad69a17f5423 (patch)
tree70c5392de4eba1999f999a258c53778f52454280 /drivers/block
parent764a4a8e54cdd6efc5928f876aa9e35778f22377 (diff)
AoE: cdev lock_kernel() pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/block')
-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 e8e60e7a2e70..d1de68a31920 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -7,6 +7,7 @@
7#include <linux/hdreg.h> 7#include <linux/hdreg.h>
8#include <linux/blkdev.h> 8#include <linux/blkdev.h>
9#include <linux/delay.h> 9#include <linux/delay.h>
10#include <linux/smp_lock.h>
10#include "aoe.h" 11#include "aoe.h"
11 12
12enum { 13enum {
@@ -174,12 +175,16 @@ aoechr_open(struct inode *inode, struct file *filp)
174{ 175{
175 int n, i; 176 int n, i;
176 177
178 lock_kernel();
177 n = iminor(inode); 179 n = iminor(inode);
178 filp->private_data = (void *) (unsigned long) n; 180 filp->private_data = (void *) (unsigned long) n;
179 181
180 for (i = 0; i < ARRAY_SIZE(chardevs); ++i) 182 for (i = 0; i < ARRAY_SIZE(chardevs); ++i)
181 if (chardevs[i].minor == n) 183 if (chardevs[i].minor == n) {
184 unlock_kernel();
182 return 0; 185 return 0;
186 }
187 unlock_kernel();
183 return -EINVAL; 188 return -EINVAL;
184} 189}
185 190