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futex: uninitialized warning corrections

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The variables here are really not used uninitialized.

kernel/futex.c: In function 'fixup_pi_state_owner.clone.17':
kernel/futex.c:1582:6: warning: 'curval' may be used uninitialized in this function
kernel/futex.c: In function 'handle_futex_death':
kernel/futex.c:2486:6: warning: 'nval' may be used uninitialized in this function
kernel/futex.c: In function 'do_futex':
kernel/futex.c:863:11: warning: 'curval' may be used uninitialized in this function
kernel/futex.c:828:6: note: 'curval' was declared here
kernel/futex.c:898:5: warning: 'oldval' may be used uninitialized in this function
kernel/futex.c:890:6: note: 'oldval' was declared here

Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Vitaliy Ivanov 2011-07-07 15:10:31 +03:00 committed by Jiri Kosina
parent 124ff4e53a
commit 7cfdaf38d4
1 changed files with 4 additions and 4 deletions
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8
kernel/futex.c
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@ -825,7 +825,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
{ {
struct task_struct *new_owner; struct task_struct *new_owner;
struct futex_pi_state *pi_state = this->pi_state; struct futex_pi_state *pi_state = this->pi_state;
u32 curval, newval; u32 uninitialized_var(curval), newval;
if (!pi_state) if (!pi_state)
return -EINVAL; return -EINVAL;
@ -887,7 +887,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
static int unlock_futex_pi(u32 __user *uaddr, u32 uval) static int unlock_futex_pi(u32 __user *uaddr, u32 uval)
{ {
u32 oldval; u32 uninitialized_var(oldval);
/* /*
* There is no waiter, so we unlock the futex. The owner died * There is no waiter, so we unlock the futex. The owner died
@ -1546,7 +1546,7 @@ static int fixup_pi_state_owner(u32 __user *uaddr, struct futex_q *q,
u32 newtid = task_pid_vnr(newowner) | FUTEX_WAITERS; u32 newtid = task_pid_vnr(newowner) | FUTEX_WAITERS;
struct futex_pi_state *pi_state = q->pi_state; struct futex_pi_state *pi_state = q->pi_state;
struct task_struct *oldowner = pi_state->owner; struct task_struct *oldowner = pi_state->owner;
u32 uval, curval, newval; u32 uval, uninitialized_var(curval), newval;
int ret; int ret;
/* Owner died? */ /* Owner died? */
@ -2451,7 +2451,7 @@ err_unlock:
*/ */
int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi) int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi)
{ {
u32 uval, nval, mval; u32 uval, uninitialized_var(nval), mval;
retry: retry:
if (get_user(uval, uaddr)) if (get_user(uval, uaddr))