diff options
| author | Alessandro Rubini <rubini@gnudd.com> | 2013-07-16 12:58:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-24 22:56:52 -0700 |
| commit | 783c2fb1b8ba2f057a26f881aa452d4aa8e4b3f4 (patch) | |
| tree | 13f18c989ccb4e748b8db58532faf24450b5c958 /mm/maccess.c | |
| parent | 5f90b9b484938f7466e25cd5506e86ebf9dbcd17 (diff) | |
| download | linux-783c2fb1b8ba2f057a26f881aa452d4aa8e4b3f4.tar.bz2 | |
FMC: fix locking in sample chardev driver
The fmc-chardev module was over-locking, by calling misc
register/unregister while holding its spinlock. This reported a
"scheduling while atomic" error.
Since the misc driver already serializes operations internally, this
commit downgrades the fmc-chardev lock to just cover its own list.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/maccess.c')
0 files changed, 0 insertions, 0 deletions