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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 17:48:31 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-14 17:48:31 -0400 |
commit | d1794f2c5b5817eb79ccc5e00701ca748d1b073a (patch) | |
tree | 5a4c98e694e88a8c82f342d0cc9edb2a4cbbef36 /drivers/char/lcd.c | |
parent | a41eebab7537890409ea9dfe0fcda9b5fbdb090d (diff) | |
parent | 2fceef397f9880b212a74c418290ce69e7ac00eb (diff) |
Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits)
IB/umad: BKL is not needed for ib_umad_open()
IB/uverbs: BKL is not needed for ib_uverbs_open()
bf561-coreb: BKL unneeded for open()
Call fasync() functions without the BKL
snd/PCM: fasync BKL pushdown
ipmi: fasync BKL pushdown
ecryptfs: fasync BKL pushdown
Bluetooth VHCI: fasync BKL pushdown
tty_io: fasync BKL pushdown
tun: fasync BKL pushdown
i2o: fasync BKL pushdown
mpt: fasync BKL pushdown
Remove BKL from remote_llseek v2
Make FAT users happier by not deadlocking
x86-mce: BKL pushdown
vmwatchdog: BKL pushdown
vmcp: BKL pushdown
via-pmu: BKL pushdown
uml-random: BKL pushdown
uml-mmapper: BKL pushdown
...
Diffstat (limited to 'drivers/char/lcd.c')
-rw-r--r-- | drivers/char/lcd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index 4fe9206f84de..1c29b20e4f4c 100644 --- a/drivers/char/lcd.c +++ b/drivers/char/lcd.c | |||
@@ -20,6 +20,7 @@ | |||
20 | #include <linux/mc146818rtc.h> | 20 | #include <linux/mc146818rtc.h> |
21 | #include <linux/netdevice.h> | 21 | #include <linux/netdevice.h> |
22 | #include <linux/sched.h> | 22 | #include <linux/sched.h> |
23 | #include <linux/smp_lock.h> | ||
23 | #include <linux/delay.h> | 24 | #include <linux/delay.h> |
24 | 25 | ||
25 | #include <asm/io.h> | 26 | #include <asm/io.h> |
@@ -414,6 +415,8 @@ static int lcd_ioctl(struct inode *inode, struct file *file, | |||
414 | 415 | ||
415 | static int lcd_open(struct inode *inode, struct file *file) | 416 | static int lcd_open(struct inode *inode, struct file *file) |
416 | { | 417 | { |
418 | cycle_kernel_lock(); | ||
419 | |||
417 | if (!lcd_present) | 420 | if (!lcd_present) |
418 | return -ENXIO; | 421 | return -ENXIO; |
419 | else | 422 | else |