diff options
| author | Eugene Yasman <eyasman@codeaurora.org> | 2014-12-04 22:07:18 +0200 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-31 15:25:49 -0700 |
| commit | 954eba25460cb85a0a06c2be6055239c761d5ce9 (patch) | |
| tree | bd6433c20d3f1f081582f2f8ad40a7380e61957f | |
| parent | 15209ec725e499e1e53b6e1104b6249e0430bf94 (diff) | |
mmc: core: add checks for pointers before driver shutdown
Verify drv and card pointers before calling for driver shutdown.
Change-Id: I855e32f988ec1af475df6ed91f04618525e1a59f
Signed-off-by: Eugene Yasman <eyasman@codeaurora.org>
[merez@codeaurora.org: fix conflicts due to changes in 3.14]
Signed-off-by: Maya Erez <merez@codeaurora.org>
| -rw-r--r-- | drivers/mmc/core/bus.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 483342e5dbfb..15e94c25b06e 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -132,6 +132,16 @@ static void mmc_bus_shutdown(struct device *dev) struct mmc_host *host = card->host; int ret; + if (!drv) { + pr_debug("%s: %s: drv is NULL\n", dev_name(dev), __func__); + return; + } + + if (!card) { + pr_debug("%s: %s: card is NULL\n", dev_name(dev), __func__); + return; + } + if (dev->driver && drv->shutdown) drv->shutdown(card); |