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authorDan Carpenter <dan.carpenter@oracle.com>2017-08-05 19:00:31 -0400
committerTheodore Ts'o <tytso@mit.edu>2017-08-05 19:00:31 -0400
commit381cebfe72e17e495281c07c976797f5a397515a (patch)
treeece9bc4bd3cde775c7582ca75192159d58412c54 /fs/ext4
parentfcf5ea10992fbac3c7473a1db33d56a139333cd1 (diff)
downloadlinux-381cebfe72e17e495281c07c976797f5a397515a.tar.bz2
ext4: silence array overflow warning
I get a static checker warning: fs/ext4/ext4.h:3091 ext4_set_de_type() error: buffer overflow 'ext4_type_by_mode' 15 <= 15 It seems unlikely that we would hit this read overflow in real life, but it's also simple enough to make the array 16 bytes instead of 15. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/ext4.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index dcbcd9d444d1..2d6d4c952492 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3072,7 +3072,7 @@ extern int ext4_handle_dirty_dirent_node(handle_t *handle,
struct inode *inode,
struct buffer_head *bh);
#define S_SHIFT 12
-static const unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = {
+static const unsigned char ext4_type_by_mode[(S_IFMT >> S_SHIFT) + 1] = {
[S_IFREG >> S_SHIFT] = EXT4_FT_REG_FILE,
[S_IFDIR >> S_SHIFT] = EXT4_FT_DIR,
[S_IFCHR >> S_SHIFT] = EXT4_FT_CHRDEV,