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-rw-r--r--fs/cifs/dir.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 81ba6e0..9258443 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -684,6 +684,9 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
goto mknod_out;
}
+ if (!S_ISCHR(mode) && !S_ISBLK(mode))
+ goto mknod_out;
+
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
goto mknod_out;
@@ -692,10 +695,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (buf == NULL) {
- kfree(full_path);
rc = -ENOMEM;
- free_xid(xid);
- return rc;
+ goto mknod_out;
}
if (backup_cred(cifs_sb))
@@ -742,7 +743,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
pdev->minor = cpu_to_le64(MINOR(device_number));
rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
&bytes_written, iov, 1);
- } /* else if (S_ISFIFO) */
+ }
tcon->ses->server->ops->close(xid, tcon, &fid);
d_drop(direntry);
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