| commit | 8853c202b4a91713dbfb4d9b6e1c87cc2aa12392 | |
| author | Jiri Kosina <jkosina@suse.cz> | |
| Thu, 29 Nov 2007 00:22:03 +0000 (28 16:22 -0800) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Thu, 29 Nov 2007 17:24:54 +0000 (29 09:24 -0800) | ||
| tree | a6c9621d3067eebc17c2ce53fa45e7513ee832a6 | treesnapshot (tar.gz zip) |
| parent | 08b633070ad5fa17a837428a601c32cf3db6aafd | commitdiff |
RTC: convert mutex to bitfield
RTC code is using mutex to assure exclusive access to /dev/rtc. This is
however wrong usage, as it leaves the mutex locked when returning into
userspace, which is unacceptable.
Convert rtc->char_lock into bit operation.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
RTC code is using mutex to assure exclusive access to /dev/rtc. This is
however wrong usage, as it leaves the mutex locked when returning into
userspace, which is unacceptable.
Convert rtc->char_lock into bit operation.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| drivers/rtc/interface.c | diffblobblamehistory | |
| drivers/rtc/rtc-dev.c | diffblobblamehistory | |
| include/linux/rtc.h | diffblobblamehistory |