tree c260bc770ee4c1e343d5c79979f26d0f62d16f57
parent 4706df3d3c42af802597d82c8b1542c3d52eab23
author David S. Miller <davem@sunset.davemloft.net> 1126040228 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1126040228 -0700

[SERIAL]: Avoid 'statement with no effect' warnings.

When SUPPORT_SYSRQ is false, gcc can emit warnings for
the uart_handle_sysrq_char() that results.  Using an
empty inline returning zero kills the warning.

Signed-off-by: David S. Miller <davem@davemloft.net>