This buffer has the concatenated prefix and name written into it, so it must be large enough to cover both strings plus the terminating NUL.
Fixes: 92c4a95ec7 ("pinctrl: Add new function pinctrl_generic_set_state_prefix()") Signed-off-by: John Keeping john@metanate.com --- drivers/pinctrl/pinctrl-generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-generic.c b/drivers/pinctrl/pinctrl-generic.c index ec21d4ff83..8909b57810 100644 --- a/drivers/pinctrl/pinctrl-generic.c +++ b/drivers/pinctrl/pinctrl-generic.c @@ -237,7 +237,7 @@ enum pinmux_subnode_type { static const char *alloc_name_with_prefix(const char *name, const char *prefix) { if (prefix) { - char *name_with_prefix = malloc(strlen(prefix) + sizeof("pins")); + char *name_with_prefix = malloc(strlen(prefix) + strlen(name) + 1); if (name_with_prefix) sprintf(name_with_prefix, "%s%s", prefix, name); return name_with_prefix;