drivers/gpu/vga/vgaarb.c: add missing kfree

kbuf is a buffer that is local to this function, so all of the error paths
leaving the function should release it.

Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index bdde899..111d956 100644 (file)
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -991,14 +991,20 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
                                uc = &priv->cards[i];
                }
 
-               if (!uc)
-                       return -EINVAL;
+               if (!uc) {
+                       ret_val = -EINVAL;
+                       goto done;
+               }
 
-               if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0)
-                       return -EINVAL;
+               if (io_state & VGA_RSRC_LEGACY_IO && uc->io_cnt == 0) {
+                       ret_val = -EINVAL;
+                       goto done;
+               }
 
-               if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0)
-                       return -EINVAL;
+               if (io_state & VGA_RSRC_LEGACY_MEM && uc->mem_cnt == 0) {
+                       ret_val = -EINVAL;
+                       goto done;
+               }
 
                vga_put(pdev, io_state);