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4 Commits

Author SHA1 Message Date
Al Viro
e5824c97a9 Trim includes of fdtable.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2009-03-31 23:00:28 -04:00
Alan Cox
c9b3976e3f tty: Fix PPP hang under load 
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2009-01-02 10:19:38 -08:00
Eugeniy Meshcheryakov
3ab36ab685 try harder to load tty ldisc driver 
Currently function tty_ldisc_get() tries to load an ldisc driver module
only when tty_ldisc_try_get() returns -EAGAIN. This happens only if
module is being unloaded. If ldisc module is not loaded
tty_ldisc_try_get() returns -EINVAL and this case is not handled in
tty_ldisc_get(), so request_module() is not called.

Attached patch fixes this by calling request_module() if
tty_ldisc_try_get() returned any error code.

I discovered this when my UMTS modem stopped working with 2.6.27-rc1
because module ppp_async was not loaded.

Signed-off-by: Eugeniy Meshcheryakov <eugen@debian.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-08-01 12:50:15 -07:00
Alan Cox
01e1abb2c2 tty: Split ldisc code into its own file 
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2008-07-22 13:03:27 -07:00