[patch 29/43] gpiolib: fix request related issue
From: Greg KH
Date: Fri Jan 30 2009 - 22:09:40 EST
2.6.28-stable review patch. If anyone has any objections, please let us know.
------------------
From: Magnus Damm <damm@xxxxxxxxxx>
commit 7460db567bbca76bf087d1694d792a1a96bdaa26 upstream.
Fix request-already-requested handling in gpio_request().
Signed-off-by: Magnus Damm <damm@xxxxxxxxxx>
Acked-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/gpio/gpiolib.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const ch
} else {
status = -EBUSY;
module_put(chip->owner);
+ goto done;
}
if (chip->request) {
--
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