[PATCH] Fix "value computed not used" warnings

Fixes for annoying gcc-4.1 compile warnings "value computed not used".
Simply cast to void.

(akpm: Linus will go ballistic...)

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/block/paride/comm.c b/drivers/block/paride/comm.c
index d842956..43d6135 100644 (file)
--- a/drivers/block/paride/comm.c
+++ b/drivers/block/paride/comm.c
@@ -60,7 +60,7 @@ static int comm_read_regr( PIA *pi, int cont, int regr )
 
        case 2:
        case 3:
-        case 4: w3(r+0x20); r1(); 
+        case 4: w3(r+0x20); (void)r1();
                w2(0x24); h = r4(); w2(4);
                 return h;
 
@@ -82,7 +82,7 @@ static void comm_write_regr( PIA *pi, int cont, int regr, int val )
 
        case 2:
        case 3:
-        case 4: w3(r); r1(); w4(val); 
+        case 4: w3(r); (void)r1(); w4(val);
                 break;
         }
 }
@@ -126,17 +126,17 @@ static void comm_read_block( PIA *pi, char * buf, int count )
                w2(4);
                break;
                
-       case 2: w3(0x68); r1(); w2(0x24);
+       case 2: w3(0x68); (void)r1(); w2(0x24);
                for (i=0;i<count;i++) buf[i] = r4();
                w2(4);
                break;
 
-        case 3: w3(0x68); r1(); w2(0x24);
+        case 3: w3(0x68); (void)r1(); w2(0x24);
                 for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
                 w2(4);
                 break;
 
-        case 4: w3(0x68); r1(); w2(0x24);
+        case 4: w3(0x68); (void)r1(); w2(0x24);
                 for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
                 w2(4);
                 break;
@@ -160,15 +160,15 @@ static void comm_write_block( PIA *pi, char * buf, int count )
                 w2(5); w2(4);
                 break;
 
-        case 2: w3(0x48); r1();
+        case 2: w3(0x48); (void)r1();
                 for (k=0;k<count;k++) w4(buf[k^1]);
                 break;
 
-        case 3: w3(0x48); r1();
+        case 3: w3(0x48); (void)r1();
                 for (k=0;k<count/2;k++) w4w(pi_swab16(buf,k));
                 break;
 
-        case 4: w3(0x48); r1();
+        case 4: w3(0x48); (void)r1();
                 for (k=0;k<count/4;k++) w4l(pi_swab32(buf,k));
                 break;
 

diff --git a/drivers/block/paride/on26.c b/drivers/block/paride/on26.c
index 9f837d9..0f833ca 100644 (file)
--- a/drivers/block/paride/on26.c
+++ b/drivers/block/paride/on26.c
@@ -66,7 +66,7 @@ static int on26_read_regr( PIA *pi, int cont, int regr )
        case 3:
         case 4: w3(1); w3(1); w2(5); w4(r); w2(4);
                w3(0); w3(0); w2(0x24); a = r4(); w2(4);
-               w2(0x24); r4(); w2(4);
+               w2(0x24); (void)r4(); w2(4);
                 return a;
 
         }

diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index f5ee064..feae783 100644 (file)
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -1131,7 +1131,7 @@ static void __devexit rtl8139_remove_one (struct pci_dev *pdev)
    No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
  */
 
-#define eeprom_delay() RTL_R32(Cfg9346)
+#define eeprom_delay() (void)RTL_R32(Cfg9346)
 
 /* The EEPROM commands include the alway-set leading bit. */
 #define EE_WRITE_CMD   (5)