[SCSI] qla4xxx: don't free NULL dma pool

The error path calls dma_pool_free() on this path but "chap_table" is
NULL and "chap_dma" is uninitialized.  It's cleaner to just return
directly.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 81e738d61ec0..160d33697216 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1420,10 +1420,8 @@ int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
         dma_addr_t chap_dma;
 
         chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
-        if (chap_table == NULL) {
-                ret = -ENOMEM;
-                goto exit_get_chap;
-        }
+        if (chap_table == NULL)
+                return -ENOMEM;
 
         chap_size = sizeof(struct ql4_chap_table);
         memset(chap_table, 0, chap_size);