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

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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Amol Lad 2006-12-08 02:40:16 -08:00 committed by Linus Torvalds
parent 6792951b6a
commit 57354c42f1
1 changed files with 5 additions and 3 deletions
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8
drivers/video/amifb.c
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@ -2407,10 +2407,10 @@ default_chipset:
fb_info.fix.smem_len);
if (!videomemory) {
printk("amifb: WARNING! unable to map videomem cached writethrough\n");
videomemory = ZTWO_VADDR(fb_info.fix.smem_start);
}
fb_info.screen_base = (char *)ZTWO_VADDR(fb_info.fix.smem_start);
} else
fb_info.screen_base = (char *)videomemory;
fb_info.screen_base = (char *)videomemory;
memset(dummysprite, 0, DUMMYSPRITEMEMSIZE);
/*
@ -2453,6 +2453,8 @@ static void amifb_deinit(void)
{
fb_dealloc_cmap(&fb_info.cmap);
chipfree();
if (videomemory)
iounmap((void*)videomemory);
release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
custom.dmacon = DMAF_ALL | DMAF_MASTER;
}