Merge tag 'v3.2-rc2' into staging/for_v3.3

* tag 'v3.2-rc2': (3068 commits)
  Linux 3.2-rc2
  hfs: add sanity check for file name length
  fsl-rio: fix compile error
  blackfin: Fixup export.h includes
  Blackfin: add serial TX IRQ in individual platform resource
  virtio-pci: fix use after free
  ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
  drm/radeon/kms/combios: fix dynamic allocation of PM clock modes
  [CPUFREQ] db8500: fix build error due to undeclared i variable
  bma023: Add SFI translation for this device
  vrtc: change its year offset from 1960 to 1972
  ce4100: fix a build error
  arm/imx: fix imx6q mmc error when mounting rootfs
  arm/imx: fix AUTO_ZRELADDR selection
  arm/imx: fix the references to ARCH_MX3
  ARM: mx51/53: set pwm clock parent to ipg_perclk
  btrfs: rename the option to nospace_cache
  drm/radeon/kms/pm: switch to dynamically allocating clock mode array
  drm/radeon/kms: optimize r600_pm_profile_init
  drm/radeon/kms/pm: add a proper pm profile init function for fusion
  ...

Conflicts:
	drivers/media/radio/Kconfig

1 files changed, 55 insertions, 2 deletions

diff --git a/lib/string.c b/lib/string.c
index 01fad9b203e1..dc4a86341f91 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -360,7 +360,6 @@ char *strim(char *s)
 	size_t size;
 	char *end;
 
-	s = skip_spaces(s);
 	size = strlen(s);
 	if (!size)
 		return s;
@@ -370,7 +369,7 @@ char *strim(char *s)
 		end--;
 	*(end + 1) = '\0';
 
-	return s;
+	return skip_spaces(s);
 }
 EXPORT_SYMBOL(strim);
 
@@ -756,3 +755,57 @@ void *memchr(const void *s, int c, size_t n)
 }
 EXPORT_SYMBOL(memchr);
 #endif
+
+static void *check_bytes8(const u8 *start, u8 value, unsigned int bytes)
+{
+	while (bytes) {
+		if (*start != value)
+			return (void *)start;
+		start++;
+		bytes--;
+	}
+	return NULL;
+}
+
+/**
+ * memchr_inv - Find an unmatching character in an area of memory.
+ * @start: The memory area
+ * @c: Find a character other than c
+ * @bytes: The size of the area.
+ *
+ * returns the address of the first character other than @c, or %NULL
+ * if the whole buffer contains just @c.
+ */
+void *memchr_inv(const void *start, int c, size_t bytes)
+{
+	u8 value = c;
+	u64 value64;
+	unsigned int words, prefix;
+
+	if (bytes <= 16)
+		return check_bytes8(start, value, bytes);
+
+	value64 = value | value << 8 | value << 16 | value << 24;
+	value64 = (value64 & 0xffffffff) | value64 << 32;
+	prefix = 8 - ((unsigned long)start) % 8;
+
+	if (prefix) {
+		u8 *r = check_bytes8(start, value, prefix);
+		if (r)
+			return r;
+		start += prefix;
+		bytes -= prefix;
+	}
+
+	words = bytes / 8;
+
+	while (words) {
+		if (*(u64 *)start != value64)
+			return check_bytes8(start, value, 8);
+		start += 8;
+		words--;
+	}
+
+	return check_bytes8(start, value, bytes % 8);
+}
+EXPORT_SYMBOL(memchr_inv);