diff options
-rw-r--r-- | lib/vsprintf.c | 3 | ||||
-rw-r--r-- | test/print_ut.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 226f4eb3e5..5f7a5f17dc 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 1aa68be7a9..d8e9da8fa8 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 } |