diff options
Diffstat (limited to 'fs/ext4/ext4_common.c')
| -rw-r--r-- | fs/ext4/ext4_common.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c index cab5465b9d..727a2f753d 100644 --- a/fs/ext4/ext4_common.c +++ b/fs/ext4/ext4_common.c @@ -24,6 +24,7 @@ #include <ext4fs.h> #include <inttypes.h> #include <malloc.h> +#include <memalign.h> #include <stddef.h> #include <linux/stat.h> #include <linux/time.h> @@ -614,8 +615,7 @@ static int parse_path(char **arr, char *dirname) arr[i] = zalloc(strlen("/") + 1); if (!arr[i]) return -ENOMEM; - - arr[i++] = "/"; + memcpy(arr[i++], "/", strlen("/")); /* add each path entry after root */ while (token != NULL) { @@ -745,6 +745,11 @@ end: fail: free(depth_dirname); free(parse_dirname); + for (i = 0; i < depth; i++) { + if (!ptr[i]) + break; + free(ptr[i]); + } free(ptr); free(parent_inode); free(first_inode); @@ -765,6 +770,7 @@ static int check_filename(char *filename, unsigned int blknr) struct ext2_dirent *previous_dir = NULL; char *ptr = NULL; struct ext_filesystem *fs = get_fs(); + int ret = -1; /* get the first block of root */ first_block_no_of_root = blknr; @@ -818,12 +824,12 @@ static int check_filename(char *filename, unsigned int blknr) if (ext4fs_put_metadata(root_first_block_addr, first_block_no_of_root)) goto fail; - return inodeno; + ret = inodeno; } fail: free(root_first_block_buffer); - return -1; + return ret; } int ext4fs_filename_check(char *filename) @@ -2040,7 +2046,7 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node) status = ext4fs_read_file(diro, 0, __le32_to_cpu(diro->inode.size), symlink, &actread); - if (status == 0) { + if ((status < 0) || (actread == 0)) { free(symlink); return 0; } |