diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
| commit | 3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch) | |
| tree | 3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /arch/um/drivers/random.c | |
| parent | 88d1dce3a74367291f65a757fbdcaf17f042f30c (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (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 '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 4949044773b..6eabb7022a2 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -7,6 +7,7 @@ * of the GNU General Public License, incorporated herein by reference. */ #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/module.h> #include <linux/fs.h> #include <linux/interrupt.h> @@ -33,6 +34,8 @@ static DECLARE_WAIT_QUEUE_HEAD(host_read_wait); static int rng_dev_open (struct inode *inode, struct file *filp) { + cycle_kernel_lock(); + /* enforce read-only access to this chrdev */ if ((filp->f_mode & FMODE_READ) == 0) return -EINVAL; |