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ipc: fix unused variable warning

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Commit a0d092f introduced the following warning:
ipc/msg.c: In function ?msgctl_down?:
ipc/msg.c:415: warning: ?msqid64? may be used uninitialized in this function

The gcc warning in this case is actually bogus, as msqid64 is touched only
iff cmd == IPC_SET, and in such case, copy_msqid_from_user() initializes
it properly.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Felipe Contreras 2009-10-19 01:54:29 +03:00 committed by Jiri Kosina
parent e9de25dda3
commit f1970c48ef
1 changed files with 1 additions and 1 deletions
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2
ipc/msg.c
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@ -412,7 +412,7 @@ static int msgctl_down(struct ipc_namespace *ns, int msqid, int cmd,
struct msqid_ds __user *buf, int version)
{
struct kern_ipc_perm *ipcp;
struct msqid64_ds msqid64;
struct msqid64_ds uninitialized_var(msqid64);
struct msg_queue *msq;
int err;