commit | 8047310ee984b3efe932ee5b561f2523396466dd | [log] [tgz] |
---|---|---|
author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | Wed Dec 12 15:38:14 2012 +0100 |
committer | Chris Ball <cjb@laptop.org> | Mon Feb 11 13:28:28 2013 -0500 |
tree | 7cb156d38a9b3b7c3d0b65dd6f43d1d9e5a5fa0b | |
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>