[PATCH] ioremap balanced with iounmap for drivers/video/offb

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/offb.c b/drivers/video/offb.c
index 9a40bbe..9576a55 100644 (file)
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -402,6 +402,9 @@ static void __init offb_init_fb(const char *name, const char *full_name,
        fb_alloc_cmap(&info->cmap, 256, 0);
 
        if (register_framebuffer(info) < 0) {
+               iounmap(par->cmap_adr);
+               par->cmap_adr = NULL;
+               iounmap(info->screen_base);
                kfree(info);
                release_mem_region(res_start, res_size);
                return;