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authorManish Narani <manish.narani@xilinx.com>2021-06-15 13:43:54 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2021-08-24 11:15:29 +0300
commit66bad6ed2204fdb78a0a8fb89d824397106a5471 (patch)
tree0ec15d78e7bbe6e01c10eaf27ca5e1f19bacfd76 /drivers/mmc
parent256e4e4e836ce2452f6874a1612dc3e29f512143 (diff)
downloadlinux-66bad6ed2204fdb78a0a8fb89d824397106a5471.tar.xz
mmc: sdhci-of-arasan: Check return value of non-void funtions
At a couple of places, the return values of the non-void functions were not getting checked. This was reported by the coverity tool. Modify the code to check the return values of the same. Addresses-Coverity: ("check_return") Signed-off-by: Manish Narani <manish.narani@xilinx.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/1623753837-21035-5-git-send-email-manish.narani@xilinx.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-of-arasan.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 0f6ef4f45825..ec49207ad768 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -273,7 +273,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
* through low speeds without power cycling.
*/
sdhci_set_clock(host, host->max_clk);
- phy_power_on(sdhci_arasan->phy);
+ if (phy_power_on(sdhci_arasan->phy)) {
+ pr_err("%s: Cannot power on phy.\n",
+ mmc_hostname(host->mmc));
+ return;
+ }
+
sdhci_arasan->is_phy_on = true;
/*
@@ -323,7 +328,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
msleep(20);
if (ctrl_phy) {
- phy_power_on(sdhci_arasan->phy);
+ if (phy_power_on(sdhci_arasan->phy)) {
+ pr_err("%s: Cannot power on phy.\n",
+ mmc_hostname(host->mmc));
+ return;
+ }
+
sdhci_arasan->is_phy_on = true;
}
}
@@ -479,7 +489,9 @@ static int sdhci_arasan_suspend(struct device *dev)
ret = phy_power_off(sdhci_arasan->phy);
if (ret) {
dev_err(dev, "Cannot power off phy.\n");
- sdhci_resume_host(host);
+ if (sdhci_resume_host(host))
+ dev_err(dev, "Cannot resume host.\n");
+
return ret;
}
sdhci_arasan->is_phy_on = false;