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Add a comment describing link_set_flags() return values.

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Nicholas J. Kain 2017-01-19 05:22:22 -05:00
parent 1c2a39c544
commit fa1c5d3a0c
1 changed files with 5 additions and 0 deletions
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5
src/ifset.c
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@ -348,6 +348,11 @@ fail:
return ret;
}
// Return 0 if flags were successfully changed.
// Return 1 if flags were already set.
// Return -1 on error.
// Return -2 if NL response had no status notification.
// Return -3 if RFKILL is set and flags cannot be changed.
static int link_set_flags(int fd, uint32_t flags)
{
uint32_t oldflags;