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authorSami Kerola2016-07-17 17:14:16 +0200
committerSami Kerola2017-02-05 00:39:37 +0100
commit0f32118e70c097f54fe706cb34adeaf9010a6a7a (patch)
tree50fef94261958921abdb01dfcdd09b4349ee3663 /sys-utils/hwclock-cmos.c
parenthwclock: initialize struct adjtime members (diff)
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hwclock: use symbolic magic values passed in between functions
The manipulate_clock() is seeing return value from busywait_for_rtc_clock_tick(). And the get_permissions_cmos() can see i386_iopl() return value. Reviewed-by: J William Piggott <elseifthen@gmx.com> Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'sys-utils/hwclock-cmos.c')
-rw-r--r--sys-utils/hwclock-cmos.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys-utils/hwclock-cmos.c b/sys-utils/hwclock-cmos.c
index 6595725fd..30f8765a5 100644
--- a/sys-utils/hwclock-cmos.c
+++ b/sys-utils/hwclock-cmos.c
@@ -104,6 +104,8 @@ static int inb(int c __attribute__ ((__unused__)))
#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
+#define IOPL_NOT_IMPLEMENTED -2
+
/*
* The epoch.
*
@@ -633,7 +635,7 @@ static int i386_iopl(const int level __attribute__ ((__unused__)))
#else
static int i386_iopl(const int level __attribute__ ((__unused__)))
{
- return -2;
+ return IOPL_NOT_IMPLEMENTED;
}
#endif
@@ -649,7 +651,7 @@ static int get_permissions_cmos(void)
rc = 0;
} else {
rc = i386_iopl(3);
- if (rc == -2) {
+ if (rc == IOPL_NOT_IMPLEMENTED) {
warnx(_("I failed to get permission because I didn't try."));
} else if (rc != 0) {
rc = errno;