From: David Howells <dhowells@redhat.com>
Date: Tue, 22 Jul 2008 10:18:43 +0000 (+0100)
Subject: Fix the (i)Stallion driver's putchar() and break_ctl() ops
X-Git-Tag: v2.6.27-rc1~880
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a56122297ac7a4a3bf09fb66c0a365a13abe707;p=pandora-kernel.git

Fix the (i)Stallion driver's putchar() and break_ctl() ops

Fix the Stallion driver's putchar() and break_ctl() ops and iStallion's
putchar() to return values.

Is it actually possible for putchar() or break_ctl() to be called with tty ==
NULL or can the check be discarded?

Should stl_write() be returning 0 if tty->driver_data is NULL or tx.buf is
NULL?  Is this even possible?

I've made Stallion's functions return -EINVAL as stli_breakctl() if the checks
fail.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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