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Description of problem:
sftp returns 0 if batch operation failed, because of full disk. 

Version-Release number of selected component (if applicable):
openssh-5.3p1-81.el6

How reproducible:
100%

Steps to Reproduce:
1. Download and lunch provided reproducer
  
Actual results:
SFTP returns 0

Expected results:
SFTP returns 0

Additional info:
This is a regression from RHEL5, though not a regression from RHEL6 (it has been there always we just did not catch it because of bad Makefile in Beaker tests)

Created attachment 584956 [details]
Reproducer

This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.

This request was erroneously removed from consideration in Red Hat Enterprise Linux 6.4, which is currently under development.  This request will be evaluated for inclusion in Red Hat Enterprise Linux 6.4.

I'm unable to reproduce it:

# df -h
/tmp/bz247802.img      57K   57K     0 100% /mnt/bz247802

# sftp -b /tmp/bz247802.batch localhost
sftp> put /tmp/bz247802.1 /mnt/bz247802
Uploading /tmp/bz247802.1 to /mnt/bz247802/bz247802.1
Couldn't write to remote file "/mnt/bz247802/bz247802.1": Failure

# echo $?
1

Very odd but I was unable to reproduce this bug with the provided test on all architectures on RHEL6. Closed as not a bug.