Messages in this thread Patch in this message | | | Date | Tue, 14 Feb 2006 20:49:20 +0100 | From | Takashi Iwai <> | Subject | [PATCH trivial] Fix "value computed not used" warnings |
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Fixes for annoying gcc-4.1 compile warnings "value computed not used". Simply cast to void.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
--- drivers/block/paride/comm.c | 16 ++++++++-------- drivers/block/paride/on26.c | 2 +- drivers/net/8139too.c | 2 +- kernel/kexec.c | 4 ++-- 4 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/block/paride/comm.c b/drivers/block/paride/comm.c index d842956..065820b 100644 --- a/drivers/block/paride/comm.c +++ b/drivers/block/paride/comm.c @@ -60,7 +60,7 @@ static int comm_read_regr( PIA *pi, int 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, in 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, ch 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, c 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..8090014 100644 --- a/drivers/block/paride/on26.c +++ b/drivers/block/paride/on26.c @@ -66,7 +66,7 @@ static int on26_read_regr( PIA *pi, int 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 2beac55..3611b66 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -1131,7 +1131,7 @@ static void __devexit rtl8139_remove_one 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) diff --git a/kernel/kexec.c b/kernel/kexec.c index bf39d28..9351be7 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -995,7 +995,7 @@ asmlinkage long sys_kexec_load(unsigned image = xchg(dest_image, image); out: - xchg(&kexec_lock, 0); /* Release the mutex */ + (void) xchg(&kexec_lock, 0); /* Release the mutex */ kimage_free(image); return result; @@ -1063,7 +1063,7 @@ void crash_kexec(struct pt_regs *regs) machine_crash_shutdown(&fixed_regs); machine_kexec(image); } - xchg(&kexec_lock, 0); + (void) xchg(&kexec_lock, 0); } } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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