[PATCH] m68k: dmasound_paula.c lvalues abuse (from m68k CVS)
Al Viro [Thu, 12 Jan 2006 09:06:21 +0000 (01:06 -0800)]
Avoid warnings about use of cast expressions as lvalues

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

sound/oss/dmasound/dmasound_paula.c

index f163868..5417815 100644 (file)
@@ -245,6 +245,7 @@ static ssize_t funcname(const u_char *userPtr, size_t userCount,    \
                        u_char frame[], ssize_t *frameUsed,             \
                        ssize_t frameLeft)                              \
 {                                                                      \
+       const u_short *ptr = (const u_short *)userPtr;                  \
        ssize_t count, used;                                            \
        u_short data;                                                   \
                                                                        \
@@ -254,7 +255,7 @@ static ssize_t funcname(const u_char *userPtr, size_t userCount,    \
                count = min_t(size_t, userCount, frameLeft)>>1 & ~1;    \
                used = count*2;                                         \
                while (count > 0) {                                     \
-                       if (get_user(data, ((u_short *)userPtr)++))     \
+                       if (get_user(data, ptr++))                      \
                                return -EFAULT;                         \
                        data = convsample(data);                        \
                        *high++ = data>>8;                              \
@@ -269,12 +270,12 @@ static ssize_t funcname(const u_char *userPtr, size_t userCount,  \
                count = min_t(size_t, userCount, frameLeft)>>2 & ~1;    \
                used = count*4;                                         \
                while (count > 0) {                                     \
-                       if (get_user(data, ((u_short *)userPtr)++))     \
+                       if (get_user(data, ptr++))                      \
                                return -EFAULT;                         \
                        data = convsample(data);                        \
                        *lefth++ = data>>8;                             \
                        *leftl++ = (data>>2) & 0x3f;                    \
-                       if (get_user(data, ((u_short *)userPtr)++))     \
+                       if (get_user(data, ptr++))                      \
                                return -EFAULT;                         \
                        data = convsample(data);                        \
                        *righth++ = data>>8;                            \