| commit | bfe5b1b1e013f7b1c0fd2ac3b3c8c380114b3fb9 | [log] [tgz] |
|---|---|---|
| author | Ville Viinikka <ville@tuxera.com> | Fri Jul 08 18:27:02 2016 +0300 |
| committer | Ulf Hansson <ulf.hansson@linaro.org> | Mon Jul 18 11:30:54 2016 +0200 |
| tree | 3b89c9c10ccc1017d9708ede0f4ab7a249946fae | |
| parent | 92d21ac74a9e3c09b0b01c764e530657e4c85c49 [diff] |
mmc: block: fix free of uninitialized 'idata->buf'
Set 'idata->buf' to NULL so that it never gets returned without
initialization. This fixes a bug where mmc_blk_ioctl_cmd() would
free both 'idata' and 'idata->buf' but 'idata->buf' was returned
uninitialized.
Fixes: 1ff8950c0433 ("mmc: block: change to use kmalloc when copy data from userspace")
Signed-off-by: Ville Viinikka <ville@tuxera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>