diff options
author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 13:16:57 -0400 |
---|---|---|
committer | Jonathan Corbet <corbet@lwn.net> | 2008-07-02 17:06:26 -0400 |
commit | 7eb500d1a0408c37d0c0360f066f8b7701835d68 (patch) | |
tree | 5ef59f59e2f79dcb35a5c8947d41ce1855811ca6 /arch/um/drivers/random.c | |
parent | bd6859fe836491d20ea6e57fee93e0e08ee69443 (diff) |
uml-random: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/um/drivers/random.c')
-rw-r--r-- | arch/um/drivers/random.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index 4949044773ba..6eabb7022a2d 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c | |||
@@ -7,6 +7,7 @@ | |||
7 | * of the GNU General Public License, incorporated herein by reference. | 7 | * of the GNU General Public License, incorporated herein by reference. |
8 | */ | 8 | */ |
9 | #include <linux/sched.h> | 9 | #include <linux/sched.h> |
10 | #include <linux/smp_lock.h> | ||
10 | #include <linux/module.h> | 11 | #include <linux/module.h> |
11 | #include <linux/fs.h> | 12 | #include <linux/fs.h> |
12 | #include <linux/interrupt.h> | 13 | #include <linux/interrupt.h> |
@@ -33,6 +34,8 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait); | |||
33 | 34 | ||
34 | static int rng_dev_open (struct inode *inode, struct file *filp) | 35 | static int rng_dev_open (struct inode *inode, struct file *filp) |
35 | { | 36 | { |
37 | cycle_kernel_lock(); | ||
38 | |||
36 | /* enforce read-only access to this chrdev */ | 39 | /* enforce read-only access to this chrdev */ |
37 | if ((filp->f_mode & FMODE_READ) == 0) | 40 | if ((filp->f_mode & FMODE_READ) == 0) |
38 | return -EINVAL; | 41 | return -EINVAL; |