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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 21:16:00 +0400 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-21 00:05:57 +0400 |
| commit | a9c4e8f74ba26f10cf78fed7c5b863ea50988856 (patch) | |
| tree | 4d60ce5b86a97ba3d1756723d326feb3e94e482c /drivers/char/hw_random | |
| parent | 48b81880519274d2a8b3e9919a47d91d05a1c964 (diff) | |
| download | linux-a9c4e8f74ba26f10cf78fed7c5b863ea50988856.tar.xz | |
hw-random: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/char/hw_random')
| -rw-r--r-- | drivers/char/hw_random/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 662d60e44e9a..e5d583c84e4f 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -37,6 +37,7 @@ #include <linux/kernel.h> #include <linux/fs.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/delay.h> @@ -86,6 +87,7 @@ static int rng_dev_open(struct inode *inode, struct file *filp) return -EINVAL; if (filp->f_mode & FMODE_WRITE) return -EINVAL; + cycle_kernel_lock(); return 0; } |