commit | e502babe0a85226f2417b60a8710cf8192879180 | [log] [tgz] |
---|---|---|
author | Anton Vorontsov <anton.vorontsov@linaro.org> | Tue Feb 07 10:49:39 2012 +0400 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Feb 09 09:03:29 2012 -0800 |
tree | 6964ef225b6eded57757425c6faf3c59d1d0c21e | |
parent | 6f56d0f43656deb98c6366a133a75b5a7cf73a26 [diff] |
sysrq: Fix possible race with exiting task sysrq should grab the tasklist lock, otherwise calling force_sig() is not safe, as it might race with exiting task, which ->sighand might be set to NULL already. Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>