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authorIngo Molnar <mingo@elte.hu>2008-07-16 00:29:07 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-16 00:29:07 +0200
commit82638844d9a8581bbf33201cc209a14876eca167 (patch)
tree961d7f9360194421a71aa644a9d0c176a960ce49 /drivers/sbus/char/bpp.c
parent9982fbface82893e77d211fbabfbd229da6bdde6 (diff)
parent63cf13b77ab785e87c867defa8545e6d4a989774 (diff)
downloadop-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.zip
op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.tar.gz
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/sbus/char/bpp.c')
-rw-r--r--drivers/sbus/char/bpp.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c
index 03c9660..bba21e05 100644
--- a/drivers/sbus/char/bpp.c
+++ b/drivers/sbus/char/bpp.c
@@ -19,6 +19,7 @@
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/major.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -429,6 +430,7 @@ static int bpp_open(struct inode *inode, struct file *f)
unsigned minor = iminor(inode);
int ret;
+ lock_kernel();
spin_lock(&bpp_open_lock);
ret = 0;
if (minor >= BPP_NO) {
@@ -444,6 +446,7 @@ static int bpp_open(struct inode *inode, struct file *f)
}
}
spin_unlock(&bpp_open_lock);
+ unlock_kernel();
return ret;
}
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