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gpiolib: fix request related issue
Fix request-already-requested handling in gpio_request(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Cc: <stable@kernel.org> [2.6.28.x] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const char *label)
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} else {
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status = -EBUSY;
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module_put(chip->owner);
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goto done;
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}
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if (chip->request) {
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