[SCSI] lpfc: check before dereference in lpfc_ct.c

If we fail to allocate mp->virt during the first while loop iteration, mlist is still uninitialized, therefore we should check if before dereferencing. Signed-off-by: Eric Sesterhenn <[email protected]> Acked-by: James Smart <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: James Bottomley <[email protected]>
nvmd · Oct 25, 2006 · 0b3a82d · 0b3a82d
1 parent 46c43db
commit 0b3a82d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
@@ -188,7 +188,8 @@ lpfc_alloc_ct_rsp(struct lpfc_hba * phba, int cmdcode, struct ulp_bde64 * bpl,
 
 		if (!mp->virt) {
 			kfree(mp);
-			lpfc_free_ct_rsp(phba, mlist);
+			if (mlist)
+				lpfc_free_ct_rsp(phba, mlist);
 			return NULL;
 		}