Compiling kernel 2.6.23 for an ARM/ixp4xx machine results in:
arch/arm/mach-ixp4xx/common.c: In function 'ixp4xx_set_mode':
arch/arm/mach-ixp4xx/common.c:445: warning: 'opts' may be used uninitialized in this function
The warning is valid: if ixp4xx_set_mode() is called with mode
CLOCK_EVT_MODE_RESUME, then 'opts' will be uninitialised at the
'*IXP4XX_OSRT1 = osrt | opts;' statement.
Initialising opts to zero in this case may not be correct, but
at least it's better than writing random junk to the hardware.
Signed-off-by: Mikael Pettersson <[email protected]>
--
I'm not cc:ing linux-arm-kernel since that's subscribers-only.
This code hasn't changed in 2.6.23-git17.
arch/arm/mach-ixp4xx/common.c | 1 +
1 files changed, 1 insertion(+)
--- linux-2.6.23/arch/arm/mach-ixp4xx/common.c.~1~ 2007-10-22 20:26:50.000000000 +0200
+++ linux-2.6.23/arch/arm/mach-ixp4xx/common.c 2007-10-22 21:22:10.000000000 +0200
@@ -460,6 +460,7 @@ static void ixp4xx_set_mode(enum clock_e
osrt = opts = 0;
break;
case CLOCK_EVT_MODE_RESUME:
+ opts = 0;
break;
}
-
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