From: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
We need to add error handler if kzalloc fails to allocate and initialize.
Otherwise it may lead to Null derefernce error in
'pm8001_chip_get_nvmd_req()'.
Signed-off-by: Santosh Nayak <santoshprasadnayak@xxxxxxxxx>
---
drivers/scsi/pm8001/pm8001_init.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 36efaa7..fdce28e 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -519,6 +519,10 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
payload.minor_function = 0;
payload.length = 128;
payload.func_specific = kzalloc(128, GFP_KERNEL);
+ if (unlikely(!payload.func_specific)) {
+ printk(KERN_ERR "%s: failed to alloc memory\n", __func__);
+ return;
+ }
PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
wait_for_completion(&completion);
for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
--
1.7.4.4
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