aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/vsprintf.c3
-rw-r--r--test/print_ut.c4
2 files changed, 6 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 226f4eb3e51..5f7a5f17dc6 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -300,8 +300,9 @@ static char *device_path_string(char *buf, char *end, void *dp, int field_width,
{
u16 *str;
+ /* If dp == NULL output the string '<NULL>' */
if (!dp)
- return "<NULL>";
+ return string16(buf, end, dp, field_width, precision, flags);
str = efi_dp_str((struct efi_device_path *)dp);
if (!str)
diff --git a/test/print_ut.c b/test/print_ut.c
index 1aa68be7a9a..d8e9da8fa8f 100644
--- a/test/print_ut.c
+++ b/test/print_ut.c
@@ -44,6 +44,10 @@ static void efi_ut_print(void)
snprintf(str, sizeof(str), "_%pD_", buf);
assert(!strcmp("_/SD(3)_", str));
+
+ /* NULL device path */
+ snprintf(str, sizeof(str), "_%pD_", NULL);
+ assert(!strcmp("_<NULL>_", str));
#endif
}