serial: trim locking on the helpers

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The port mutex protects port->tty, but these paths never need to walk from
port->tty. They do need the low level lock as the API expects that but they
already also take it.

Thus we can drop the extra mutex lock calls here.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Alan Cox 2010-06-01 22:52:59 +02:00 • committed by Greg Kroah-Hartman

parent de0c8cb314

commit 24fcc7c8cd

1 changed files with 1 additions and 4 deletions

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drivers/serial/serial_core.c

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