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CVS commit: src/sys/kern

Module Name:    src
Committed By:   martin
Date:           Mon Feb 20 12:19:56 UTC 2012

Modified Files:
        src/sys/kern: kern_exec.c

Log Message:
More posix_spawn fallout:
Fix a kmem_alloc() call with zero size (PR kern/46038), allow file actions
to be passed, even if empty.
Rearange p_reflock locking for the child, avoid a double free in an
error case, avoid a memory leak in another error case - all pointed out
by yamt.
During blocking operations early in the child borrow the kernel vmspace
(as suggested by yamt).

To generate a diff of this commit:
cvs rdiff -u -r1.340 -r1.341 src/sys/kern/kern_exec.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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