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

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: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/video/hpfb.c b/drivers/video/hpfb.c
index 91cf3b577d156c4b78dea835d24b80b61461634f..9ab9b839a0f5e57cbf643c9bd7c238388d33ba9a 100644 (file)
--- a/drivers/video/hpfb.c
+++ b/drivers/video/hpfb.c
@@ -295,6 +295,8 @@ static int __init hpfb_init_one(unsigned long phys_base, unsigned long virt_base
 
        if (register_framebuffer(&fb_info) < 0) {
                fb_dealloc_cmap(&fb_info.cmap);
+               iounmap(fb_info.screen_base);
+               fb_info.screen_base = NULL;
                return 1;
        }