RapidIO: fix potential null deref in rio_setup_device()
The "goto cleanup" path can deference "rswitch" when it is NULL. Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Cc: Dan Carpenter <error27@gmail.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Chul Kim <chul.kim@idt.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -516,7 +516,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
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return rdev;
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return rdev;
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cleanup:
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cleanup:
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if (rio_is_switch(rdev))
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if (rswitch)
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kfree(rswitch->route_table);
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kfree(rswitch->route_table);
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kfree(rdev);
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kfree(rdev);
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