serial: bfin_uart: narrow the reboot condition in DMA tx interrupt
authorSonic Zhang <sonic.zhang@analog.com>
Wed, 16 May 2012 06:22:24 +0000 (14:22 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 May 2012 20:25:56 +0000 (13:25 -0700)
Check if xmit buffer pointers are set to zero.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

No differences found