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authorMark Brown <broonie@kernel.org>2025-01-09 11:22:28 +0000
committerMark Brown <broonie@kernel.org>2025-01-09 11:22:28 +0000
commit5640fd07b90ed43225704fecfbbda9d402dba1cf (patch)
tree7c9e9e13681499882d3c5d710e37b2f3b088e831 /drivers/net/netdevsim/health.c
parenta38509fd5cdc125ef54562760a05c68ebd4812bc (diff)
parent9d89551994a430b50c4fffcb1e617a057fa76e20 (diff)
spi: Merge up v6.13-rc6
This fixes the i.MX6 and newer Meson platforms in my CI.
Diffstat (limited to 'drivers/net/netdevsim/health.c')
-rw-r--r--drivers/net/netdevsim/health.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/health.c b/drivers/net/netdevsim/health.c
index 70e8bdf34be9..688f05316b5e 100644
--- a/drivers/net/netdevsim/health.c
+++ b/drivers/net/netdevsim/health.c
@@ -149,6 +149,8 @@ static ssize_t nsim_dev_health_break_write(struct file *file,
char *break_msg;
int err;
+ if (count == 0 || count > PAGE_SIZE)
+ return -EINVAL;
break_msg = memdup_user_nul(data, count);
if (IS_ERR(break_msg))
return PTR_ERR(break_msg);