diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 20:19:14 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 20:19:14 +0100 |
commit | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (patch) | |
tree | 313b3b9ca04727f3704464e01d8dd97da1dd534b /drivers/char/misc.c | |
parent | 19c1d6a34abf73d0baf8e325d018c920fa78dddc (diff) | |
parent | b9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-rmk
Diffstat (limited to 'drivers/char/misc.c')
-rw-r--r-- | drivers/char/misc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c index eaace0db0ff..6e1563c3d30 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -49,6 +49,7 @@ #include <linux/device.h> #include <linux/tty.h> #include <linux/kmod.h> +#include <linux/smp_lock.h> /* * Head entry for the doubly linked miscdevice list @@ -118,6 +119,7 @@ static int misc_open(struct inode * inode, struct file * file) int err = -ENODEV; const struct file_operations *old_fops, *new_fops = NULL; + lock_kernel(); mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { @@ -155,6 +157,7 @@ static int misc_open(struct inode * inode, struct file * file) fops_put(old_fops); fail: mutex_unlock(&misc_mtx); + unlock_kernel(); return err; } |