| commit | fb6fda072d7ef219039cc0b0e8218e5f465ef02e | |
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | |
| Tue, 14 Apr 2009 13:57:36 +0000 (14 14:57 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Mon, 15 Jun 2009 16:40:16 +0000 (15 09:40 -0700) | ||
| tree | b025ce9fd7e69767d5154417912a3a2a6bcaffc0 | treesnapshot (tar.gz zip) |
| parent | f71cf2a2181aef25513272991f54148799ddc1f0 | commitdiff |
cdc-acm: Fix long standing abuse of tty->low_latency
commit 7a9a65ced11ece416b730d6f21040a18e62d78a8 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit 7a9a65ced11ece416b730d6f21040a18e62d78a8 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| drivers/usb/class/cdc-acm.c | diffblobblamehistory |