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authorJiri Slaby2011-04-20 10:43:14 +0200
committerGreg Kroah-Hartman2011-04-25 14:19:11 -0700
commit7fdc28931176a17ef0bdc5d35742925a155533c4 (patch)
tree6a13bfc4de8289649af0b5eb9878e882accba639 /usr
parent6d742f655efe767dc77a099b57297fa417afc473 (diff)
Char: nozomi, remove useless tty_sem
tty_sem used to protect tty open count. This was removed in 33dd474a but the lock remained in place. So remove it completely as it protects nothing now. Also this solves Mac's problem with inatomic operation called from atomic context (ppp): BUG: scheduling while atomic: firefox-bin/1992/0x10000800 Modules linked in: ... Pid: 1992, comm: firefox-bin Not tainted 2.6.38 #1 Call Trace: ... [] ? mutex_lock+0xe/0x21 [] ? ntty_write+0x5d/0x192 [nozomi] [] ? __mod_timer.clone.30+0xbe/0xcc [] ? check_preempt_curr+0x60/0x6d [] ? __nf_ct_refresh_acct+0x75/0xbe [] ? ppp_async_push+0xa9/0x3bd [ppp_async] [] ? ppp_async_send+0x34/0x40 [ppp_async] [] ? ppp_push+0x6c/0x4f9 [ppp_generic] ... Signed-off-by: Jiri Slaby <jslaby@suse.cz> Reported-by: Mac <kmac@poczta.fm> Tested-by: Gerald Pfeifer <gerald@pfeifer.com> Reviewed-by: Jack Stone <jwjstone@fastmail.fm> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'usr')
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