diff mbox series

[v3,3/3] sysctl: Fixes max-user-freq bounds

Message ID 20250306123514.386434-4-nicolas.bouchinet@clip-os.org (mailing list archive)
State Handled Elsewhere
Headers show
Series Fixes multiple sysctl bound checks | expand

Commit Message

Nicolas Bouchinet March 6, 2025, 12:35 p.m. UTC 
From: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>

Bound max-user-freq 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/char/hpet.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e110857824fcb..528b43e893d49 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -730,7 +730,9 @@  static const struct ctl_table hpet_table[] = {
 	 .data = &hpet_max_freq,
 	 .maxlen = sizeof(int),
 	 .mode = 0644,
-	 .proc_handler = proc_dointvec,
+	 .proc_handler = proc_dointvec_minmax,
+	 .extra1 = SYSCTL_ZERO,
+	 .extra2 = SYSCTL_INT_MAX,
 	 },
 };