[PATCH] ioremap balanced with iounmap for drivers/video/macfb
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>
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@ -608,6 +608,22 @@ void __init macfb_setup(char *options)
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}
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}
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static void __init iounmap_macfb(void)
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{
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if (valkyrie_cmap_regs)
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iounmap(valkyrie_cmap_regs);
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if (dafb_cmap_regs)
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iounmap(dafb_cmap_regs);
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if (v8_brazil_cmap_regs)
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iounmap(v8_brazil_cmap_regs);
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if (rbv_cmap_regs)
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iounmap(rbv_cmap_regs);
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if (civic_cmap_regs)
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iounmap(civic_cmap_regs);
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if (csc_cmap_regs)
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iounmap(csc_cmap_regs);
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}
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static int __init macfb_init(void)
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{
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int video_cmap_len, video_is_nubus = 0;
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@ -962,6 +978,10 @@ static int __init macfb_init(void)
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if (!err)
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printk("fb%d: %s frame buffer device\n",
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fb_info.node, fb_info.fix.id);
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else {
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iounmap(fb_info.screen_base);
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iounmap_macfb();
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}
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return err;
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}
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