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rxrpc: fix undefined behavior in rxrpc_mark_call_released

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gcc -Wmaybe-initialized correctly points out a newly introduced bug
through which we can end up calling rxrpc_queue_call() for a dead
connection:

net/rxrpc/call_object.c: In function 'rxrpc_mark_call_released':
net/rxrpc/call_object.c:600:5: error: 'sched' may be used uninitialized in this function [-Werror=maybe-uninitialized]

This sets the 'sched' variable to zero to restore the previous
behavior.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: f5c17aaeb2 ("rxrpc: Calls should only have one terminal state")
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Arnd Bergmann 2016-09-02 22:39:44 +01:00 committed by David Howells
parent dd19bde367
commit 30787a4170
1 changed files with 1 additions and 1 deletions
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2
net/rxrpc/call_object.c
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@ -586,7 +586,7 @@ static void rxrpc_dead_call_expired(unsigned long _call)
*/
static void rxrpc_mark_call_released(struct rxrpc_call *call)
{
bool sched;
bool sched = false;
rxrpc_see_call(call);
write_lock(&call->state_lock);