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| author | Pavel Herrmann <morpheus.ibis@gmail.com> | 2011-07-17 18:39:19 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2011-07-17 18:39:19 +0200 |
| commit | d3f684f2820a7f42acef68bea6622d9032127fb2 (patch) | |
| tree | 0ca1227b9c1499093e7af42d01ad75f41481b5e1 /drivers/hwmon/twl4030-madc-hwmon.c | |
| parent | hwmon: (it87) Fix label group removal (diff) | |
| download | linux-d3f684f2820a7f42acef68bea6622d9032127fb2.tar.xz linux-d3f684f2820a7f42acef68bea6622d9032127fb2.zip | |
hwmon: (max1111) Fix race condition causing NULL pointer exception
spi_sync call uses its spi_message parameter to keep completion information,
using a drvdata structure is not thread-safe. Use a mutex to prevent
multiple access to shared driver data.
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Cyril Hrubis <metan@ucw.cz>
Tested-by: Stanislav Brabec <utx@penguin.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: stable@kernel.org
Diffstat (limited to 'drivers/hwmon/twl4030-madc-hwmon.c')
0 files changed, 0 insertions, 0 deletions