ext4: use IS_ERR() to check for errors in ext4_error_file

d_path() returns an ERR_PTR and it doesn't return NULL.  This is in
ext4_error_file() and no one actually calls ext4_error_file().

Signed-off-by: Dan Carpenter <error27@gmail.com>
This commit is contained in:
Dan Carpenter 2011-01-10 12:10:50 -05:00 committed by Theodore Ts'o
parent 13195184a8
commit f9a62d090c

View File

@ -437,7 +437,7 @@ void ext4_error_file(struct file *file, const char *function,
save_error_info(inode->i_sb, function, line);
va_start(args, fmt);
path = d_path(&(file->f_path), pathname, sizeof(pathname));
if (!path)
if (IS_ERR(path))
path = "(unknown)";
printk(KERN_CRIT
"EXT4-fs error (device %s): %s:%d: inode #%lu "