[SCSI] pm8001: handle allocation failures

Return -ENOMEM if the allocations fail.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 9793aa6afb10..d8db0137c0c7 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -4194,6 +4194,8 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 
         nvmd_type = ioctl_payload->minor_function;
         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+        if (!fw_control_context)
+                return -ENOMEM;
         fw_control_context->usrAddr = (u8 *)&ioctl_payload->func_specific[0];
         fw_control_context->len = ioctl_payload->length;
         circularQ = &pm8001_ha->inbnd_q_tbl[0];
@@ -4272,6 +4274,8 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 
         nvmd_type = ioctl_payload->minor_function;
         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+        if (!fw_control_context)
+                return -ENOMEM;
         circularQ = &pm8001_ha->inbnd_q_tbl[0];
         memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
                 ioctl_payload->func_specific,
@@ -4381,6 +4385,8 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
         struct pm8001_ioctl_payload *ioctl_payload = payload;
 
         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+        if (!fw_control_context)
+                return -ENOMEM;
         fw_control = (struct fw_control_info *)&ioctl_payload->func_specific[0];
         if (fw_control->len != 0) {
                 if (pm8001_mem_alloc(pm8001_ha->pdev,