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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-04 14:30:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-04 14:30:31 -0700
commit4ed919014eb2b591eb8fdd4dd00226a65faddef4 (patch)
tree468102fffdd30bb3110389b042df11e16235f29a /fs
parente315c121a858499d84dc88c499046b9f10bb61ec (diff)
parport_pc: make sure to release IO ports after probing for IT87XX
Commit f63fd7e299ee13da071ecfce2b90b58c5e1562b1 ("parport_pc: detection for SuperIO IT87XX POST") only released the IO port region on success, not when the probe for the IT87XX chip failed. That caused not only a reserved region to leak, but also caused an oops when the driver module was unloaded and somebody tried to cat /proc/ioports - because the string that was assigned to the IO port region was a static string in the module virtual address area. Reported-by: Lubos Lunak <l.lunak@suse.cz> Cc: Jan Kara <jack@suse.cz> Cc: Petr Cvek <petr.cvek@tul.cz> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
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