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authorIngo Molnar <mingo@elte.hu>2008-07-15 23:12:58 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-15 23:12:58 +0200
commit1e09481365ce248dbb4eb06dad70129bb5807037 (patch)
treec0cff5bef95c8b5e7486f144718ade9a06c284dc /drivers/isdn/i4l/isdn_common.c
parent3e2f69fdd1b00166e7d589bce56b2d36a9e74374 (diff)
parentb9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff)
Merge branch 'linus' into core/softlockup
Conflicts: kernel/softlockup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/isdn/i4l/isdn_common.c')
-rw-r--r--drivers/isdn/i4l/isdn_common.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 0f3c66de69b..7188c59a76f 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1732,7 +1732,7 @@ isdn_open(struct inode *ino, struct file *filep)
int chidx;
int retval = -ENODEV;
-
+ lock_kernel();
if (minor == ISDN_MINOR_STATUS) {
infostruct *p;
@@ -1783,6 +1783,7 @@ isdn_open(struct inode *ino, struct file *filep)
#endif
out:
nonseekable_open(ino, filep);
+ unlock_kernel();
return retval;
}
@@ -1977,8 +1978,10 @@ isdn_writebuf_stub(int drvidx, int chan, const u_char __user * buf, int len)
if (!skb)
return -ENOMEM;
skb_reserve(skb, hl);
- if (copy_from_user(skb_put(skb, len), buf, len))
+ if (copy_from_user(skb_put(skb, len), buf, len)) {
+ dev_kfree_skb(skb);
return -EFAULT;
+ }
ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, 1, skb);
if (ret <= 0)
dev_kfree_skb(skb);