From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ohad Ben-Cohen Subject: [PATCH v2 15/20] mmc: sdio: verify existence of resume handler Date: Wed, 21 Jul 2010 20:33:49 +0300 Message-ID: <1279733634-21974-16-git-send-email-ohad@wizery.com> References: <1279733634-21974-1-git-send-email-ohad@wizery.com> Return-path: In-Reply-To: <1279733634-21974-1-git-send-email-ohad@wizery.com> Sender: linux-mmc-owner@vger.kernel.org To: linux-wireless@vger.kernel.org, linux-mmc@vger.kernel.org, linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux@arm.linux.org.uk, Chikkature Rajashekar Madhusudhan , Luciano Coelho , akpm@linux-foundation.org, San Mehat , Roger Quadros , Tony Lindgren , Nicolas Pitre , Pandita Vikram , Kalle Valo , Ohad Ben-Cohen List-Id: linux-omap@vger.kernel.org Before invoking a card's resume handler, verify one exists. Signed-off-by: Ohad Ben-Cohen --- drivers/mmc/core/sdio.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 645f173..37739f5 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -504,7 +504,9 @@ static int mmc_sdio_resume(struct mmc_host *host) struct sdio_func *func = host->card->sdio_func[i]; if (func && sdio_func_present(func) && func->dev.driver) { const struct dev_pm_ops *pmops = func->dev.driver->pm; - err = pmops->resume(&func->dev); + + if (pmops && pmops->resume) + err = pmops->resume(&func->dev); } } -- 1.7.0.4