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author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-03-16 14:55:06 +0800 |
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committer | Mike Snitzer <snitzer@kernel.org> | 2023-03-16 13:37:06 -0400 |
commit | d3aa3e060c4a80827eb801fc448debc9daa7c46b (patch) | |
tree | 0fab6e9f08b93e1326fef6252dc5c8a3eed49814 /drivers/memstick/host | |
parent | d9a02e016aaf5a57fb44e9a5e6da8ccd3b9e2e70 (diff) |
dm stats: check for and propagate alloc_percpu failure
Check alloc_precpu()'s return value and return an error from
dm_stats_init() if it fails. Update alloc_dev() to fail if
dm_stats_init() does.
Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup()
even if dm-stats isn't being actively used.
Fixes: fd2ed4d25270 ("dm: add statistics support")
Cc: stable@vger.kernel.org
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/memstick/host')
0 files changed, 0 insertions, 0 deletions