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| author | Vitaliy Ivanov <vitalivanov@gmail.com> | 2011-07-07 15:10:31 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-09-15 14:23:07 +0200 |
| commit | 7cfdaf38d4975b0266fbdef971e5ce37da7214fd (patch) | |
| tree | d1d211b4934509261e23a77595a6b7a86b8df162 /kernel/futex.c | |
| parent | 124ff4e53ace98300bf7465e0285167a3df838d3 (diff) | |
| download | lwn-7cfdaf38d4975b0266fbdef971e5ce37da7214fd.tar.gz lwn-7cfdaf38d4975b0266fbdef971e5ce37da7214fd.zip | |
futex: uninitialized warning corrections
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>
Diffstat (limited to 'kernel/futex.c')
| -rw-r--r-- | kernel/futex.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 0a308970c24a..f4e811c8623c 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -825,7 +825,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this) { struct task_struct *new_owner; struct futex_pi_state *pi_state = this->pi_state; - u32 curval, newval; + u32 uninitialized_var(curval), newval; if (!pi_state) 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) { - u32 oldval; + u32 uninitialized_var(oldval); /* * 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; struct futex_pi_state *pi_state = q->pi_state; struct task_struct *oldowner = pi_state->owner; - u32 uval, curval, newval; + u32 uval, uninitialized_var(curval), newval; int ret; /* Owner died? */ @@ -2451,7 +2451,7 @@ err_unlock: */ int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi) { - u32 uval, nval, mval; + u32 uval, uninitialized_var(nval), mval; retry: if (get_user(uval, uaddr)) |