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

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>
Amol Lad 18 年之前
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共有 1 个文件被更改,包括 2 次插入0 次删除
  1. 2 0
      drivers/video/cyberfb.c

+ 2 - 0
drivers/video/cyberfb.c

@@ -1055,6 +1055,8 @@ int __init cyberfb_init(void)
 
 	    if (register_framebuffer(&fb_info) < 0) {
 		    DPRINTK("EXIT - register_framebuffer failed\n");
+			if (CyberBase)
+				iounmap(CyberBase);
 		    release_mem_region(CyberMem_phys, 0x400000);
 		    release_mem_region(CyberRegs_phys, 0x10000);
 		    return -EINVAL;