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futex: Mark restart_block.futex.uaddr[2] __user

Browse source 
@uaddr and @uaddr2 fields in restart_block.futex are user
pointers. Add __user and remove unnecessary casts.

Signed-off-by: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Darren Hart <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Namhyung Kim 2010-09-14 21:43:47 +09:00 • committed by Thomas Gleixner
commit a3c74c5257
2 changed files with 4 additions and 4 deletions
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4
kernel/futex.c
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@ -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;