diff options
author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-02-07 07:49:51 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-02-09 18:03:30 +0100 |
commit | d3a532a9c617106a0169232d40164ee35d0440b5 (patch) | |
tree | 4204ef5560c353f91cd275fb8303d799869dd97c /drivers/ptp | |
parent | sysrq: Fix possible race with exiting task (diff) | |
download | linux-d3a532a9c617106a0169232d40164ee35d0440b5.tar.xz linux-d3a532a9c617106a0169232d40164ee35d0440b5.zip |
sysrq: Properly check for kernel threads
There's a real possibility of killing kernel threads that might
have issued use_mm(), so kthread's mm might become non-NULL.
This patch fixes the issue by checking for PF_KTHREAD (just as
get_task_mm()).
Suggested-by: Oleg Nesterov <oleg@redhat.com>
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>
Diffstat (limited to 'drivers/ptp')
0 files changed, 0 insertions, 0 deletions