fat.c: fix warning: array subscript is above array bounds
Fix based on suggestion by David Hawkins <dwh@ovro.caltech.edu>.
Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 28c7805..8081ee7 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -672,6 +672,7 @@
{
__u8 block[FS_BLOCK_SIZE];
volume_info *vistart;
+ char *fstype;
if (disk_read(0, 1, block) < 0) {
FAT_DPRINT("Error: reading block\n");
@@ -704,9 +705,12 @@
}
memcpy(volinfo, vistart, sizeof(volume_info));
- /* Terminate fs_type string. Writing past the end of vistart
- is ok - it's just the buffer. */
- vistart->fs_type[8] = '\0';
+ /*
+ * Terminate fs_type string. Writing past the end of vistart
+ * is ok - it's just the buffer.
+ */
+ fstype = vistart->fs_type;
+ fstype[8] = '\0';
if (*fatsize == 32) {
if (compare_sign(FAT32_SIGN, vistart->fs_type) == 0) {