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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-26 15:29:44 +0100 |
|---|---|---|
| committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-04-26 15:29:44 +0100 |
| commit | 45849282bfd7543253761cbf7db96151b05e5ed1 (patch) | |
| tree | 1e02a8874f487041795f27427d2ee22e8c236c8c /drivers/serial/21285.c | |
| parent | [PATCH] kill gratitious includes of major.h under net/* (diff) | |
| download | linux-dev-45849282bfd7543253761cbf7db96151b05e5ed1.tar.xz linux-dev-45849282bfd7543253761cbf7db96151b05e5ed1.zip | |
[PATCH] Serial: Ensure error paths are marked with unlikely()
Ensure ARM serial driver error paths are marked with the
unlikely() compiler hint.
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial/21285.c')
| -rw-r--r-- | drivers/serial/21285.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/21285.c b/drivers/serial/21285.c index f8504b0adebc..33fbda79f350 100644 --- a/drivers/serial/21285.c +++ b/drivers/serial/21285.c @@ -110,7 +110,7 @@ static irqreturn_t serial21285_rx_chars(int irq, void *dev_id, struct pt_regs *r port->icount.rx++; rxs = *CSR_RXSTAT | RXSTAT_DUMMY_READ; - if (rxs & RXSTAT_ANYERR) { + if (unlikely(rxs & RXSTAT_ANYERR)) { if (rxs & RXSTAT_PARITY) port->icount.parity++; else if (rxs & RXSTAT_FRAME) |