[PATCH] Fix memory leak in isapnp

Spotted by the Coverity checker as bug #666

akpm; there are several other `return 1;'s in there which aren't freeing
`dev'.  (A fix which converts this function to single-exit would be
preferred..)

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c
index 57fd603..b1b4b68 100644 (file)
--- a/drivers/pnp/isapnp/core.c
+++ b/drivers/pnp/isapnp/core.c
@@ -646,8 +646,10 @@ static int __init isapnp_create_device(struct pnp_card *card,
                                size = 0;
                                skip = 0;
                                option = pnp_register_independent_option(dev);
-                               if (!option)
+                               if (!option) {
+                                       kfree(dev);
                                        return 1;
+                               }
                                pnp_add_card_device(card,dev);
                        } else {
                                skip = 1;