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cifs: fix build_unc_path_to_root to account for a prefixpath
Regression introduced by commit f87d39d951
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Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastryyy@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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parent
677d8537d8
commit
b2a0fa1520
1 changed files with 15 additions and 6 deletions
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@ -2855,19 +2855,28 @@ cifs_cleanup_volume_info(struct smb_vol **pvolume_info)
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/* build_path_to_root returns full path to root when
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* we do not have an exiting connection (tcon) */
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static char *
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build_unc_path_to_root(const struct smb_vol *volume_info,
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build_unc_path_to_root(const struct smb_vol *vol,
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const struct cifs_sb_info *cifs_sb)
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{
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char *full_path;
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char *full_path, *pos;
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unsigned int pplen = vol->prepath ? strlen(vol->prepath) : 0;
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unsigned int unc_len = strnlen(vol->UNC, MAX_TREE_SIZE + 1);
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int unc_len = strnlen(volume_info->UNC, MAX_TREE_SIZE + 1);
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full_path = kmalloc(unc_len + 1, GFP_KERNEL);
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full_path = kmalloc(unc_len + pplen + 1, GFP_KERNEL);
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if (full_path == NULL)
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return ERR_PTR(-ENOMEM);
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strncpy(full_path, volume_info->UNC, unc_len);
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full_path[unc_len] = 0; /* add trailing null */
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strncpy(full_path, vol->UNC, unc_len);
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pos = full_path + unc_len;
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if (pplen) {
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strncpy(pos, vol->prepath, pplen);
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pos += pplen;
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}
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*pos = '\0'; /* add trailing null */
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convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
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cFYI(1, "%s: full_path=%s", __func__, full_path);
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return full_path;
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}
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