quatech_daqp_cs: don't access *data when insn->n == 0
authorIan Abbott <abbotti@mev.co.uk>
Thu, 15 Dec 2011 20:47:07 +0000 (20:47 +0000)
committerIan Abbott <abbotti@mev.co.uk>
Thu, 15 Dec 2011 20:47:07 +0000 (20:47 +0000)
commit77ebc7f8d65f976af8ba79f236061ea4361fa0cb
tree46a747464647910d4b9e0d3b623c90f02b651018
parent34e6673a742d7ed10784ac115635b3a39a386f7d
quatech_daqp_cs: don't access *data when insn->n == 0

Due to recent change to do_insnlist_ioctl() and do_insn_ioctl(), the
'data' pointer will be NULL when insn->n == 0.  Do not access *data
in this case.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
comedi/drivers/quatech_daqp_cs.c