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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-02-20 10:39:51 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-03-16 23:08:15 -0400 |
| commit | a50bd64616907ed126ffbdbaa06c5ce708c4a404 (patch) | |
| tree | c477f0e7fad155691dcc94323826517ddee3d900 /tools/perf/scripts/python/stat-cpi.py | |
| parent | 0fdc7d5d8f3719950478cca452cf7f0f1355be10 (diff) | |
scsi: mpt3sas: Do not use GFP_KERNEL in atomic context
mpt3sas_get_port_by_id() can be called when a spinlock is held. Use
GFP_ATOMIC instead of GFP_KERNEL when allocating memory.
Issue spotted by call_kern.cocci:
./drivers/scsi/mpt3sas/mpt3sas_scsih.c:416:42-52: ERROR: function mpt3sas_get_port_by_id called on line 7125 inside lock on line 7123 but uses GFP_KERNEL
./drivers/scsi/mpt3sas/mpt3sas_scsih.c:416:42-52: ERROR: function mpt3sas_get_port_by_id called on line 6842 inside lock on line 6839 but uses GFP_KERNEL
./drivers/scsi/mpt3sas/mpt3sas_scsih.c:416:42-52: ERROR: function mpt3sas_get_port_by_id called on line 6854 inside lock on line 6851 but uses GFP_KERNEL
./drivers/scsi/mpt3sas/mpt3sas_scsih.c:416:42-52: ERROR: function mpt3sas_get_port_by_id called on line 7706 inside lock on line 7702 but uses GFP_KERNEL
./drivers/scsi/mpt3sas/mpt3sas_scsih.c:416:42-52: ERROR: function mpt3sas_get_port_by_id called on line 10260 inside lock on line 10256 but uses GFP_KERNEL
Link: https://lore.kernel.org/r/20210220093951.905362-1-christophe.jaillet@wanadoo.fr
Fixes: 324c122fc0a4 ("scsi: mpt3sas: Add module parameter multipath_on_hba")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'tools/perf/scripts/python/stat-cpi.py')
0 files changed, 0 insertions, 0 deletions