[PATCH] ioremap balanced with iounmap for drivers/video/atafb
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>
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@ -2804,8 +2804,19 @@ int __init atafb_init(void)
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atafb_set_disp(-1, &fb_info);
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do_install_cmap(0, &fb_info);
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if (register_framebuffer(&fb_info) < 0)
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if (register_framebuffer(&fb_info) < 0) {
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#ifdef ATAFB_EXT
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if (external_addr) {
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iounmap(external_addr);
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external_addr = NULL;
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}
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if (external_vgaiobase) {
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iounmap((void*)external_vgaiobase);
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external_vgaiobase = 0;
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}
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#endif
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return -EINVAL;
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}
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printk("Determined %dx%d, depth %d\n",
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disp.var.xres, disp.var.yres, disp.var.bits_per_pixel);
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