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mkfs.btrfs: Fix compilation errors with gcc 4.6

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gcc 4.6 complains about several possible use-before-initialise cases
in mkfs, and stops. Fix these by initialising one of the variables in
question, and using the correct error-handling paths for the
remainder.

Signed-off-by: Hugo Mills <hugo@carfax.org.uk>
This commit is contained in:
Hugo Mills 2011-06-26 19:41:18 +01:00 committed by Chris Mason
parent 796a0e9cc4
commit acee5809c1
1 changed files with 4 additions and 3 deletions

7
mkfs.c
View File

@ -750,7 +750,7 @@ static int add_file_items(struct btrfs_trans_handle *trans,
ino_t parent_inum, struct stat *st,
const char *path_name, int out_fd)
{
int ret;
int ret = -1;
ssize_t ret_read;
u64 bytes_read = 0;
char *buffer = NULL;
@ -889,7 +889,7 @@ static int traverse_directory(struct btrfs_trans_handle *trans,
ret = btrfs_lookup_inode(trans, root, &path, &root_dir_key, 1);
if (ret) {
fprintf(stderr, "root dir lookup error\n");
goto fail;
return -1;
}
leaf = path.nodes[0];
@ -913,7 +913,7 @@ static int traverse_directory(struct btrfs_trans_handle *trans,
if (chdir(parent_dir_entry->path)) {
fprintf(stderr, "chdir error for %s\n",
parent_dir_name);
goto fail;
goto fail_no_files;
}
count = scandir(parent_dir_entry->path, &files,
@ -996,6 +996,7 @@ static int traverse_directory(struct btrfs_trans_handle *trans,
return 0;
fail:
free_namelist(files, count);
fail_no_files:
free(parent_dir_entry->path);
free(parent_dir_entry);
return -1;