[SCSI] qla2xxx: fix panic caused by previous patch

- this patch will fix a panic caused by omitted memory allocation for the nvram.

Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c488996cb958..93c0c7e4f08f 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2154,6 +2154,19 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha)
                         }
                 }
 
+                /* Get memory for cached NVRAM */
+                ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
+                if (ha->nvram == NULL) {
+                        /* error */
+                        qla_printk(KERN_WARNING, ha,
+                            "Memory Allocation failed - nvram cache\n");
+
+                        qla2x00_mem_free(ha);
+                        msleep(100);
+
+                        continue;
+                }
+
                 /* Done all allocations without any error. */
                 status = 0;
 
@@ -2266,6 +2279,7 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
         ha->fw_dump_reading = 0;
 
         vfree(ha->optrom_buffer);
+        kfree(ha->nvram);
 }
 
 /*