*
* Load acquire is needed to make sure that we see that terminating NUL.
*/
-static int prepend_name(char **buffer, int *buflen, const struct qstr *name)
+static bool prepend_name(char **buffer, int *buflen, const struct qstr *name)
{
const char *dname = smp_load_acquire(&name->name); /* ^^^ */
u32 dlen = READ_ONCE(name->len);
char *p;
*buflen -= dlen + 1;
- if (*buflen < 0)
- return -ENAMETOOLONG;
+ if (unlikely(*buflen < 0))
+ return false;
p = *buffer -= dlen + 1;
*p++ = '/';
while (dlen--) {
break;
*p++ = c;
}
- return 0;
+ return true;
}
/**
}
parent = dentry->d_parent;
prefetch(parent);
- if (unlikely(prepend_name(&bptr, &blen, &dentry->d_name) < 0))
+ if (!prepend_name(&bptr, &blen, &dentry->d_name))
break;
dentry = parent;
const struct dentry *parent = dentry->d_parent;
prefetch(parent);
- if (unlikely(prepend_name(&end, &len, &dentry->d_name) < 0))
+ if (!prepend_name(&end, &len, &dentry->d_name))
break;
dentry = parent;