Changeset ebd9392 in mainline for uspace/srv/vfs/vfs_file.c

Timestamp:

2007-11-24T18:43:26Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b3cd9eb

Parents:

9201f47

Message:

Add sanity checks to functions using file descriptors as indices into files.

File:

• uspace/srv/vfs/vfs_file.c (modified) (2 diffs)

uspace/srv/vfs/vfs_file.c

@@ -100 +100 @@
 void vfs_fd_free(int fd)
 {
+        assert(fd < MAX_OPEN_FILES);
         assert(files[fd] != NULL);
         vfs_file_delref(files[fd]);
@@ -145 +146 @@
 vfs_file_t *vfs_file_get(int fd)
 {
-        return files[fd];
+        if (fd < MAX_OPEN_FILES)
+                return files[fd];
+        return NULL;
 }