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authorNamhyung Kim <namhyung@gmail.com>2010-09-14 21:43:47 +0900
committerThomas Gleixner <tglx@linutronix.de>2010-09-18 12:19:21 +0200
commita3c74c52570c0c4ac90c9a0216de800c39089ba7 (patch)
tree4030b626478c5f51fef1ed4524424f6d83b9a128 /kernel/futex.c
parent1dcc41bb037533839753df983d31778b30b67d93 (diff)
downloadlinux-a3c74c52570c0c4ac90c9a0216de800c39089ba7.tar.gz
futex: Mark restart_block.futex.uaddr[2] __user
@uaddr and @uaddr2 fields in restart_block.futex are user
pointers. Add __user and remove unnecessary casts.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Darren Hart <dvhltc@us.ibm.com>
LKML-Reference: <1284468228-8723-2-git-send-email-namhyung@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index 464de2751ff9..45e448a5e440 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1843,7 +1843,7 @@ retry:
 
 	restart = &current_thread_info()->restart_block;
 	restart->fn = futex_wait_restart;
-	restart->futex.uaddr = (u32 *)uaddr;
+	restart->futex.uaddr = uaddr;
 	restart->futex.val = val;
 	restart->futex.time = abs_time->tv64;
 	restart->futex.bitset = bitset;
@@ -1869,7 +1869,7 @@ out:
 
 static long futex_wait_restart(struct restart_block *restart)
 {
-	u32 __user *uaddr = (u32 __user *)restart->futex.uaddr;
+	u32 __user *uaddr = restart->futex.uaddr;
 	int fshared = 0;
 	ktime_t t, *tp = NULL;