evie/android_kernel_oneplus_msm8998
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scsi: ufs: fix null pointer access in case vops is not set

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This change fixes a possible access to null pointer variables.

Change-Id: I7b57883b71b0e8e8ca437c92cd6fd4f85db91310
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
This commit is contained in:
Yaniv Gardi 2015-06-02 14:33:50 +03:00 • committed by David Keitel
parent 25f4a1cb4a
commit e0cef40130
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/ufs/ufshcd.c
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@ -1939,7 +1939,7 @@ int ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)
{
int ret = 0;
if (hba->vops->crypto_engine_cfg) {
if (hba->vops && hba->vops->crypto_engine_cfg) {
ret = hba->vops->crypto_engine_cfg(hba, task_tag);
if (ret) {
dev_err(hba->dev,
@ -7096,7 +7096,7 @@ static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on)
if (info->vdd_hba) {
ret = ufshcd_toggle_vreg(hba->dev, info->vdd_hba, on);
if (!ret && hba->vops->update_sec_cfg)
if (!ret && hba->vops && hba->vops->update_sec_cfg)
hba->vops->update_sec_cfg(hba, on);
}
@ -7248,7 +7248,7 @@ out:
hba->clk_gating.state);
spin_unlock_irqrestore(hba->host->host_lock, flags);
/* restore the secure configuration as clocks are enabled */
if (hba->vops->update_sec_cfg)
if (hba->vops && hba->vops->update_sec_cfg)
hba->vops->update_sec_cfg(hba, true);
}