[PATCH] ioremap balanced with iounmap for drivers/video/atyfb_base
ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.
Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index e815b35..b7b4e61 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -3527,6 +3527,10 @@
atyfb_setup_generic_fail:
iounmap(par->ati_regbase);
par->ati_regbase = NULL;
+ if (info->screen_base) {
+ iounmap(info->screen_base);
+ info->screen_base = NULL;
+ }
return ret;
}
@@ -3695,6 +3699,10 @@
}
if (aty_init(info, "ISA bus")) {
+ if (info->screen_base)
+ iounmap(info->screen_base);
+ if (par->ati_regbase)
+ iounmap(par->ati_regbase);
framebuffer_release(info);
/* This is insufficient! kernel_map has added two large chunks!! */
return -ENXIO;