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| author |   Tilman Schmidt <tilman@imap.cc> | 2010-07-05 14:18:27 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-07-05 19:41:23 -0700 |
| commit | bc10f96757bd6ab3721510df8defa8f21c32f974 (patch) | |
| tree | 35d5ec90646cc73952287ee006d92e58e793a0fd /drivers/net/loopback.c | |
| parent | Documentation/isdn: CAPI controller interface amendment (diff) | |
| download | linux-dev-bc10f96757bd6ab3721510df8defa8f21c32f974.tar.xz linux-dev-bc10f96757bd6ab3721510df8defa8f21c32f974.zip | |
isdn: avoid calling tty_ldisc_flush() in atomic context
Remove the call to tty_ldisc_flush() from the RESULT_NO_CARRIER
branch of isdn_tty_modem_result(), as already proposed in commit
00409bb045887ec5e7b9e351bc080c38ab6bfd33.
This avoids a "sleeping function called from invalid context" BUG
when the hardware driver calls the statcallb() callback with
command==ISDN_STAT_DHUP in atomic context, which in turn calls
isdn_tty_modem_result(RESULT_NO_CARRIER, ~), and from there,
tty_ldisc_flush() which may sleep.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/loopback.c')
0 files changed, 0 insertions, 0 deletions