Re: [RFC 1/1] Char: mxser_new, fix recursive locking

From: Jiri Slaby
Date: Sat Apr 14 2007 - 18:37:00 EST


On 4/14/07, Jan Yenya Kasprzak <kas@xxxxxxxxxx> wrote:
Jiri Slaby wrote:
: ioctl(fd, TIOCMIWAIT, TIOCM_CD);
[...]
Hmm, I have tried to run this, and got a machine lockup, and after
a minute or so the following has been printed to the console:

Hmm, the driver got shot full of holes, there's missing schedule() in
ioctl of both drivers. I'll post a patch in the morning or during the
day.

thanks for now,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
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