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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:31:12 +0200
commit3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch)
tree3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /drivers/telephony/phonedev.c
parent88d1dce3a74367291f65a757fbdcaf17f042f30c (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts: drivers/pci/quirks.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/telephony/phonedev.c')
-rw-r--r--drivers/telephony/phonedev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index bcea8d9b718..4d74ba36c3a 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -23,6 +23,7 @@
#include <linux/errno.h>
#include <linux/phonedev.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -53,6 +54,7 @@ static int phone_open(struct inode *inode, struct file *file)
if (minor >= PHONE_NUM_DEVICES)
return -ENODEV;
+ lock_kernel();
mutex_lock(&phone_lock);
p = phone_device[minor];
if (p)
@@ -79,6 +81,7 @@ static int phone_open(struct inode *inode, struct file *file)
fops_put(old_fops);
end:
mutex_unlock(&phone_lock);
+ unlock_kernel();
return err;
}