[SeaBIOS] [PATCH v5 4/7] set psize to 0 when romfile_loadfile failed

[Hu Tao]

Signed-off-by: Hu Tao 
---
 src/romfile.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/romfile.c b/src/romfile.c
index ea71d1f..b1b89bb 100644
--- a/src/romfile.c
+++ b/src/romfile.c
@@ -51,28 +51,33 @@ romfile_loadfile(const char *name, int *psize)
 {
     struct romfile_s *file = romfile_find(name);
     if (!file)
-        return NULL;
+        goto failed;

int filesize = file->size;
     if (!filesize)
-        return NULL;
+        goto failed;

char *data = malloc_tmphigh(filesize+1);
     if (!data) {
         warn_noalloc();
-        return NULL;
+        goto failed;
     }

dprintf(5, "Copying romfile '%s' (len %d)\n", name, filesize);
     int ret = file->copy(file, data, filesize);
     if (ret < 0) {
         free(data);
-        return NULL;
+        goto failed;
     }
     if (psize)
         *psize = filesize;
     data[filesize] = '\0';
     return data;
+
+failed:
+    if (psize)
+        *psize = 0;
+    return NULL;
 }

// Attempt to load an integer from the given file - return 'defval'