Commit e0ab7af9 authored May 29, 2016 by George Spelvin Committed by Linus Torvalds May 29, 2016

hash_string: Fix zero-length case for !DCACHE_WORD_ACCESS



The self-test was updated to cover zero-length strings; the function
needs to be updated, too.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: George Spelvin <linux@sciencehorizons.net>
Fixes: fcfd2fbf ("fs/namei.c: Add hashlen_string() function")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent f2a031b6

fs/namei.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1968,11 +1968,11 @@ u64 hashlen_string(const char *name)
		unsigned long len = 0, c;

		c = (unsigned char)*name;
		do {
		while (c) {
		len++;
		hash = partial_name_hash(c, hash);
		c = (unsigned char)name[len];
		} while (c);
		}
		return hashlen_create(end_name_hash(hash), len);
		}
		EXPORT_SYMBOL(hashlen_string);

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