| commit | 7a9a65ced11ece416b730d6f21040a18e62d78a8 | |
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | |
| Tue, 14 Apr 2009 13:57:36 +0000 (14 14:57 +0100) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Tue, 14 Apr 2009 15:48:50 +0000 (14 08:48 -0700) | ||
| tree | 6110bcec1e1e0983188f2c4a11930ca948e99cdd | treesnapshot (tar.gz zip) |
| parent | b21597d0268983f8f9e8b563494f75490403e948 | commitdiff |
cdc-acm: Fix long standing abuse of tty->low_latency
ACM sets the low latency flag but calls the flip buffer routines from
IRQ context which isn't permitted (and as of 2.6.29 causes a warning
hence this one was caught)
Fortunatelt ACM doesn't need to set this flag in the first place as it
only set it to work around problems in ancient (pre tty flip rewrite)
kernels.
Reported-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ACM sets the low latency flag but calls the flip buffer routines from
IRQ context which isn't permitted (and as of 2.6.29 causes a warning
hence this one was caught)
Fortunatelt ACM doesn't need to set this flag in the first place as it
only set it to work around problems in ancient (pre tty flip rewrite)
kernels.
Reported-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| drivers/usb/class/cdc-acm.c | diffblobblamehistory |