diff options
| author | Fernando Guzman Lugo <x0095840@ti.com> | 2010-01-27 20:04:02 -0600 |
|---|---|---|
| committer | Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2010-08-04 15:50:15 +0300 |
| commit | 9caae4d87ca0087edd6c02efd674f13fe0419ee9 (patch) | |
| tree | a4664e175c65e7c161e58497c0e5170e10e72e61 /arch/arm/plat-omap/mailbox.c | |
| parent | 0e828e8c2bab6d30649447eea68686413c92d340 (diff) | |
Mailbox: Check valid registered callback before calling
This patch checks if the mailbox user has assinged a valid
callback fuction before calling it.
Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Diffstat (limited to 'arch/arm/plat-omap/mailbox.c')
| -rw-r--r-- | arch/arm/plat-omap/mailbox.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 77c23f5a0037..72efbe5be578 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -146,7 +146,8 @@ static void mbox_rx_work(struct work_struct *work) msg = (mbox_msg_t)rq->special; blk_end_request_all(rq, 0); - mbox->rxq->callback((void *)msg); + if (mbox->rxq->callback) + mbox->rxq->callback((void *)msg); } } |