AP_Filesystem: fixed open for write in ROMFS

5 years ago · a8f7212d79
1 changed files with 4 additions and 0 deletions
--- a/libraries/AP_Filesystem/AP_Filesystem_ROMFS.cpp
+++ b/libraries/AP_Filesystem/AP_Filesystem_ROMFS.cpp
@ -25,6 +25,10 @@
				@@ -25,6 +25,10 @@

 int AP_Filesystem_ROMFS::open(const char *fname, int flags)
 {
+    if ((flags & O_ACCMODE) != O_RDONLY) {
+        errno = EROFS;
+        return -1;
+    }
    uint8_t idx;
    for (idx=0; idx<max_open_file; idx++) {
        if (file[idx].data == nullptr) {