diff options
| author | Ramon Fried <ramon.fried@gmail.com> | 2018-05-14 15:02:30 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-14 21:28:38 -0400 |
| commit | b70fe965bb4c780f27efcc7aac0fd845c1825305 (patch) | |
| tree | c5853fde4b28da0e66e5efb33a50123d8a2bac9d | |
| parent | ed52ea507f120738b180d1a18a2945412b0ddb63 (diff) | |
mmc: sdhci: Check that ops are defined
The check is necessary to avoid NULL pointer dereference.
Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
| -rw-r--r-- | drivers/mmc/sdhci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 8971a1122c..400f87e134 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -314,7 +314,7 @@ static int sdhci_execute_tuning(struct udevice *dev, uint opcode) debug("%s\n", __func__); - if (host->ops->platform_execute_tuning) { + if (host->ops && host->ops->platform_execute_tuning) { err = host->ops->platform_execute_tuning(mmc, opcode); if (err) return err; @@ -347,7 +347,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) if (clock == 0) return 0; - if (host->ops->set_delay) + if (host->ops && host->ops->set_delay) host->ops->set_delay(host); if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { |