drivers/char/synclink.c: check kmalloc() return value

Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Cc: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index ce4db6f52362..f02a0795983f 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -4010,8 +4010,13 @@ static int mgsl_alloc_intermediate_txbuffer_memory(struct mgsl_struct *info)
         for ( i=0; i<info->num_tx_holding_buffers; ++i) {
                 info->tx_holding_buffers[i].buffer =
                         kmalloc(info->max_frame_size, GFP_KERNEL);
-                if ( info->tx_holding_buffers[i].buffer == NULL )
+                if (info->tx_holding_buffers[i].buffer == NULL) {
+                        for (--i; i >= 0; i--) {
+                                kfree(info->tx_holding_buffers[i].buffer);
+                                info->tx_holding_buffers[i].buffer = NULL;
+                        }
                         return -ENOMEM;
+                }
         }
 
         return 0;