x86: sparse errors from string_32.h

include/asm/string_32.h:216:26: warning: cast truncates bits from constant value (cccccccc becomes cc)
include/asm/string_32.h:219:27: warning: cast truncates bits from constant value (cccccccc becomes cccc)
include/asm/string_32.h:222:27: warning: cast truncates bits from constant value (cccccccc becomes cccc)
include/asm/string_32.h:223:30: warning: cast truncates bits from constant value (cccccccc becomes cc)

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/include/asm-x86/string_32.h b/include/asm-x86/string_32.h
index 55bfa30..c5d13a8 100644 (file)
--- a/include/asm-x86/string_32.h
+++ b/include/asm-x86/string_32.h
@@ -213,14 +213,14 @@ static __always_inline void * __constant_c_and_count_memset(void * s, unsigned l
                case 0:
                        return s;
                case 1:
-                       *(unsigned char *)s = pattern;
+                       *(unsigned char *)s = pattern & 0xff;
                        return s;
                case 2:
-                       *(unsigned short *)s = pattern;
+                       *(unsigned short *)s = pattern & 0xffff;
                        return s;
                case 3:
-                       *(unsigned short *)s = pattern;
-                       *(2+(unsigned char *)s) = pattern;
+                       *(unsigned short *)s = pattern & 0xffff;
+                       *(2+(unsigned char *)s) = pattern & 0xff;
                        return s;
                case 4:
                        *(unsigned long *)s = pattern;