| commit | 88f502fedba82eff252b6420e8b8328e4ae25c67 | |
| author | Ingo Molnar <mingo@elte.hu> | |
| Fri, 13 Mar 2009 09:32:07 +0000 (13 10:32 +0100) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Fri, 13 Mar 2009 09:32:07 +0000 (13 10:32 +0100) | ||
| tree | 5063980d641f077da073ce972028c2b07ccb1bbc | treesnapshot (tar.gz zip) |
| parent | f061d35150003b7fd5b133d14d66a74500fdaa60 | commitdiff |
futex: remove the pointer math from double_unlock_hb, fix
Impact: fix double unlock crash
Thomas Gleixner noticed that the simplified double_unlock_hb()
became ... too unsophisticated: in the hb1 == hb2 case it will
do a double unlock.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Darren Hart <dvhltc@us.ibm.com>
LKML-Reference: <20090312221118.11146.68610.stgit@Aeon>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Impact: fix double unlock crash
Thomas Gleixner noticed that the simplified double_unlock_hb()
became ... too unsophisticated: in the hb1 == hb2 case it will
do a double unlock.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Darren Hart <dvhltc@us.ibm.com>
LKML-Reference: <20090312221118.11146.68610.stgit@Aeon>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| kernel/futex.c | diffblobblamehistory |