Merge branch 'depends/cleanup' into next/drivers

* depends/cleanup: (375 commits)
  ARM: at91: fix board-rm9200-dt after sys_timer conversion
  clocksource: use clockevents_config_and_register() where possible
  ARM: use clockevents_config_and_register() where possible
  clockevents: export clockevents_config_and_register for module use
  timer: vt8500: Move timer code to drivers/clocksource
  irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h
  ARM: picoxcell: use common irqchip_init function
  ARM: spear: use common irqchip_init function
  irqchip: Move ARM VIC to drivers/irqchip
  ARM: samsung: remove unused tick.h
  ARM: remove unneeded vic.h includes
  ARM: remove mach .handle_irq for VIC users
  ARM: VIC: set handle_arch_irq in VIC initialization
  ARM: VIC: shrink down vic.h
  irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h
  ARM: use common irqchip_init for GIC init
  irqchip: Move ARM GIC to drivers/irqchip
  ARM: remove mach .handle_irq for GIC users
  ARM: GIC: set handle_arch_irq in GIC initialization
  ARM: GIC: remove direct use of gic_raise_softirq
  ...

1 files changed, 11 insertions, 7 deletions

diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index a60f04200f8b..6eb8d269b53b 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -42,7 +42,7 @@ static void TEA_transform(unsigned int buf[4], unsigned int const in[])
 	buf[1] += b1;
 }
 
-static void str2hashbuf(const char *msg, int len, unsigned int *buf, int num)
+static void str2hashbuf(const char *msg, size_t len, unsigned int *buf, int num)
 {
 	unsigned pad, val;
 	int i;
@@ -69,13 +69,17 @@ static void str2hashbuf(const char *msg, int len, unsigned int *buf, int num)
 		*buf++ = pad;
 }
 
-f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
+f2fs_hash_t f2fs_dentry_hash(const char *name, size_t len)
 {
-	__u32 hash, minor_hash;
+	__u32 hash;
 	f2fs_hash_t f2fs_hash;
 	const char *p;
 	__u32 in[8], buf[4];
 
+	if ((len <= 2) && (name[0] == '.') &&
+		(name[1] == '.' || name[1] == '\0'))
+		return 0;
+
 	/* Initialize the default seed for the hash checksum functions */
 	buf[0] = 0x67452301;
 	buf[1] = 0xefcdab89;
@@ -83,15 +87,15 @@ f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
 	buf[3] = 0x10325476;
 
 	p = name;
-	while (len > 0) {
+	while (1) {
 		str2hashbuf(p, len, in, 4);
 		TEA_transform(buf, in);
-		len -= 16;
 		p += 16;
+		if (len <= 16)
+			break;
+		len -= 16;
 	}
 	hash = buf[0];
-	minor_hash = buf[1];
-
 	f2fs_hash = cpu_to_le32(hash & ~F2FS_HASH_COL_BIT);
 	return f2fs_hash;
 }