diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-12-15 22:13:26 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-12-15 22:13:26 +0000 |
| commit | 7e1548a597ef7e26d5d62f8be3be6da9e101b26c (patch) | |
| tree | fe6cbf4d9a3c1afdba04fb276fef0f932403727c /fs/fcntl.c | |
| parent | 1f7f569c0ae6e619504095eabf796edd712d943d (diff) | |
| parent | 2619bc327417f549f1c89d5ef9b4a4aa768f41a2 (diff) | |
| download | kernel_samsung_espresso10-7e1548a597ef7e26d5d62f8be3be6da9e101b26c.zip kernel_samsung_espresso10-7e1548a597ef7e26d5d62f8be3be6da9e101b26c.tar.gz kernel_samsung_espresso10-7e1548a597ef7e26d5d62f8be3be6da9e101b26c.tar.bz2 | |
Merge branch 'omap3-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
Diffstat (limited to 'fs/fcntl.c')
| -rw-r--r-- | fs/fcntl.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -19,6 +19,7 @@ #include <linux/signal.h> #include <linux/rcupdate.h> #include <linux/pid_namespace.h> +#include <linux/smp_lock.h> #include <asm/poll.h> #include <asm/siginfo.h> @@ -175,6 +176,11 @@ static int setfl(int fd, struct file * filp, unsigned long arg) if (error) return error; + /* + * We still need a lock here for now to keep multiple FASYNC calls + * from racing with each other. + */ + lock_kernel(); if ((arg ^ filp->f_flags) & FASYNC) { if (filp->f_op && filp->f_op->fasync) { error = filp->f_op->fasync(fd, filp, (arg & FASYNC) != 0); @@ -185,6 +191,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg) filp->f_flags = (arg & SETFL_MASK) | (filp->f_flags & ~SETFL_MASK); out: + unlock_kernel(); return error; } |