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Avoid lock order reversal filedesc/Giant when calling FREE() in fdalloc

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by unlocking the filedesc before calling FREE().

Submitted by: bde
This commit is contained in:
Alfred Perlstein 2002-02-01 19:19:54 +00:00
parent fcce64f0cf
commit 2b39743941
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_descrip.c
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@ -956,9 +956,11 @@ fdalloc(td, want, result)
fdp->fd_nfiles = nfiles;
fdexpand++;
if (oldofile != NULL) {
FILEDESC_UNLOCK(fdp);
mtx_lock(&Giant);
FREE(oldofile, M_FILEDESC);
mtx_unlock(&Giant);
FILEDESC_LOCK(fdp);
}
}
return (0);