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pipe_create has to zero out the select record earlier to avoid

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returning a half-initialized pipe and causing pipeclose() to follow
a junk pointer.

Discovered by: "Nick S" <snicko@noid.org>
This commit is contained in:
Alfred Perlstein 2001-05-17 17:59:28 +00:00
parent 268511689c
commit 82a283fcf3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=76754
1 changed files with 1 additions and 1 deletions
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2
sys/kern/sys_pipe.c
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@ -306,6 +306,7 @@ pipe_create(cpipep)
* protect so pipeclose() doesn't follow a junk pointer
* if pipespace() fails.
*/
bzero(&cpipe->pipe_sel, sizeof(cpipe->pipe_sel));
cpipe->pipe_state = 0;
cpipe->pipe_peer = NULL;
cpipe->pipe_busy = 0;
@ -329,7 +330,6 @@ pipe_create(cpipep)
vfs_timestamp(&cpipe->pipe_ctime);
cpipe->pipe_atime = cpipe->pipe_ctime;
cpipe->pipe_mtime = cpipe->pipe_ctime;
bzero(&cpipe->pipe_sel, sizeof cpipe->pipe_sel);
return (0);
}