diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2012-12-12 15:38:14 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-02-11 13:28:28 -0500 |
| commit | 8047310ee984b3efe932ee5b561f2523396466dd (patch) | |
| tree | 7cb156d38a9b3b7c3d0b65dd6f43d1d9e5a5fa0b /drivers/mmc/host/tifm_sd.c | |
| parent | 99eb9d8df996fc1695d4de687873875fbd8f6719 (diff) | |
mmc: sh_mmcif: fix a race, causing an Oops on SMP
Oopses have been observed on SMP in the sh-mmcif IRQ thread, when the two
IRQ threads run simultaneously on two CPUs. Also take care to guard the
timeout work and the DMA completion callback from possible NULL-pointer
dereferences and races.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/tifm_sd.c')
0 files changed, 0 insertions, 0 deletions