Messages in this thread | | | Date | Sun, 24 Jun 2012 01:33:19 +0300 | From | Dan Carpenter <> | Subject | Re: [PATCH] grvga: Fix error handling issues |
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On Fri, Jun 22, 2012 at 06:11:19PM +0200, Emil Goode wrote: > This patch fixes two problems with the error handling in the > grvga_probe function. > > - If the call to grvga_parse_custom on line 370 fails we use > the wrong label so that release_mem_region will be called > without a call to request_mem_region being made. > > - If the call to ioremap on line 436 fails we should not try > to call iounmap. I added an if statement to check whether or > not a call to iounmap should be made. >
Doesn't iounmap() have a check for NULL? On x86 it does.
if ((void __force *)addr <= high_memory) return;
regards, dan carpenter
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