diff options
Diffstat (limited to 'fs/smb/client/link.c')
| -rw-r--r-- | fs/smb/client/link.c | 41 |
1 files changed, 9 insertions, 32 deletions
diff --git a/fs/smb/client/link.c b/fs/smb/client/link.c index fe80e711cd75..fdfdc9a3abdd 100644 --- a/fs/smb/client/link.c +++ b/fs/smb/client/link.c @@ -5,6 +5,7 @@ * Author(s): Steve French (sfrench@us.ibm.com) * */ +#include <crypto/md5.h> #include <linux/fs.h> #include <linux/stat.h> #include <linux/slab.h> @@ -37,23 +38,6 @@ #define CIFS_MF_SYMLINK_MD5_ARGS(md5_hash) md5_hash static int -symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash) -{ - int rc; - struct shash_desc *md5 = NULL; - - rc = cifs_alloc_hash("md5", &md5); - if (rc) - return rc; - - rc = crypto_shash_digest(md5, link_str, link_len, md5_hash); - if (rc) - cifs_dbg(VFS, "%s: Could not generate md5 hash\n", __func__); - cifs_free_hash(&md5); - return rc; -} - -static int parse_mf_symlink(const u8 *buf, unsigned int buf_len, unsigned int *_link_len, char **_link_str) { @@ -77,11 +61,7 @@ parse_mf_symlink(const u8 *buf, unsigned int buf_len, unsigned int *_link_len, if (link_len > CIFS_MF_SYMLINK_LINK_MAXLEN) return -EINVAL; - rc = symlink_hash(link_len, link_str, md5_hash); - if (rc) { - cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc); - return rc; - } + md5(link_str, link_len, md5_hash); scnprintf(md5_str2, sizeof(md5_str2), CIFS_MF_SYMLINK_MD5_FORMAT, @@ -103,7 +83,6 @@ parse_mf_symlink(const u8 *buf, unsigned int buf_len, unsigned int *_link_len, static int format_mf_symlink(u8 *buf, unsigned int buf_len, const char *link_str) { - int rc; unsigned int link_len; unsigned int ofs; u8 md5_hash[16]; @@ -116,11 +95,7 @@ format_mf_symlink(u8 *buf, unsigned int buf_len, const char *link_str) if (link_len > CIFS_MF_SYMLINK_LINK_MAXLEN) return -ENAMETOOLONG; - rc = symlink_hash(link_len, link_str, md5_hash); - if (rc) { - cifs_dbg(FYI, "%s: MD5 hash failure: %d\n", __func__, rc); - return rc; - } + md5(link_str, link_len, md5_hash); scnprintf(buf, buf_len, CIFS_MF_SYMLINK_LEN_FORMAT CIFS_MF_SYMLINK_MD5_FORMAT, @@ -185,7 +160,8 @@ create_mf_symlink(const unsigned int xid, struct cifs_tcon *tcon, goto out; if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE) - rc = -EIO; + rc = smb_EIO2(smb_eio_trace_symlink_file_size, + bytes_written, CIFS_MF_SYMLINK_FILE_SIZE); out: kfree(buf); return rc; @@ -449,7 +425,8 @@ smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, /* Make sure we wrote all of the symlink data */ if ((rc == 0) && (*pbytes_written != CIFS_MF_SYMLINK_FILE_SIZE)) - rc = -EIO; + rc = smb_EIO2(smb_eio_trace_short_symlink_write, + *pbytes_written, CIFS_MF_SYMLINK_FILE_SIZE); SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); @@ -476,7 +453,7 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, struct cifsInodeInfo *cifsInode; if (unlikely(cifs_forced_shutdown(cifs_sb))) - return -EIO; + return smb_EIO(smb_eio_trace_forced_shutdown); tlink = cifs_sb_tlink(cifs_sb); if (IS_ERR(tlink)) @@ -578,7 +555,7 @@ cifs_symlink(struct mnt_idmap *idmap, struct inode *inode, struct inode *newinode = NULL; if (unlikely(cifs_forced_shutdown(cifs_sb))) - return -EIO; + return smb_EIO(smb_eio_trace_forced_shutdown); page = alloc_dentry_path(); if (!page) |