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authorMarek BehĂșn <marek.behun@nic.cz>2017-10-06 15:04:57 +0200
committerTom Rini <trini@konsulko.com>2017-10-16 09:42:51 -0400
commitecab881c7fcd7484420b6aa15b0f748458640191 (patch)
treee3af32cdbc612722f890a0b61b77fb7f10788064 /fs
parent502af618ec3d60f3c8b9914e3484f112fb295b6e (diff)
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fs: btrfs: Fix usage of uninitialized variables
The variable res should be initialized to 0 in these functions, because if the searched key is not found, the variable is used uninitialized. Reported-by: Coverity (CID: 167335) Reported-by: Coverity (CID: 167336) Reported-by: Coverity (CID: 167337) Signed-off-by: Marek Behun <marek.behun@nic.cz>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/chunk-map.c2
-rw-r--r--fs/btrfs/dir-item.c2
-rw-r--r--fs/btrfs/inode.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/chunk-map.c b/fs/btrfs/chunk-map.c
index 48407f3..ce7330b 100644
--- a/fs/btrfs/chunk-map.c
+++ b/fs/btrfs/chunk-map.c
@@ -147,7 +147,7 @@ int btrfs_read_chunk_tree(void)
struct btrfs_path path;
struct btrfs_key key, *found_key;
struct btrfs_chunk *chunk;
- int res;
+ int res = 0;
key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
key.type = BTRFS_CHUNK_ITEM_KEY;
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index decf86e..9705634 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -93,7 +93,7 @@ int btrfs_readdir(const struct btrfs_root *root, u64 dir,
struct btrfs_path path;
struct btrfs_key key, *found_key;
struct btrfs_dir_item *item;
- int res;
+ int res = 0;
key.objectid = dir;
key.type = BTRFS_DIR_INDEX_KEY;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0d3da28..0af0427 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -324,7 +324,7 @@ u64 btrfs_file_read(const struct btrfs_root *root, u64 inr, u64 offset,
struct btrfs_path path;
struct btrfs_key key;
struct btrfs_file_extent_item *extent;
- int res;
+ int res = 0;
u64 rd, rd_all = -1ULL;
key.objectid = inr;