[PATCH v2 4/6] sysctl: Fixes scsi_logging_level bounds

nicolas.bouchinet
2025-02-24T09:59:06Z

From: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>

Bound scsi_logging_level sysctl writings between SYSCTL_ZERO
and SYSCTL_INT_MAX.

The proc_handler has thus been updated to proc_dointvec_minmax.

Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>
---
drivers/scsi/scsi_sysctl.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/scsi_sysctl.c b/drivers/scsi/scsi_sysctl.c
index be4aef0f4f996..055a03a83ad68 100644
--- a/drivers/scsi/scsi_sysctl.c
+++ b/drivers/scsi/scsi_sysctl.c
@@ -17,7 +17,9 @@ static const struct ctl_table scsi_table[] = {
.data = &scsi_logging_level,
.maxlen = sizeof(scsi_logging_level),
.mode = 0644,
- .proc_handler = proc_dointvec },
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_INT_MAX },
};

static struct ctl_table_header *scsi_table_header;
--
2.48.1