Messages in this thread | | | From | Hartley Sweeten <> | Subject | RE: [PATCH 0/8] staging: comedi: some comedi_write() changes | Date | Thu, 19 Nov 2015 17:23:51 +0000 |
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On Wednesday, November 18, 2015 10:55 AM, Ian Abbott wrote: > Tidy up the "write" file operation handler, `comedi_write()` a bit and > improve the error handling. > > 1) staging: comedi: rearrange comedi_write() code > 2) staging: comedi: do extra checks for becoming non-busy for "write" > 3) staging: comedi: make some variables unsigned in comedi_write() > 4) staging: comedi: avoid bad truncation of a size_t in comedi_write() > 5) staging: comedi: allow buffer wraparound in comedi_write() > 6) staging: comedi: return error on "write" if no command set up > 7) staging: comedi: simplify returned errors for comedi_write() > 8) staging: comedi: check for more errors for zero-length write > > drivers/staging/comedi/comedi_fops.c | 124 ++++++++++++++++------------------- > 1 file changed, 56 insertions(+), 68 deletions(-)
Ian,
Other than the minor nit-pick in patch 1 about the 'count == 0' when becoming non-busy (the same situation is in comedi_read), this looks good to me. It also makes the 'write' look more like the 'read'.
Thanks,
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
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