On 2014-03-06 at 08:19:19 +0100, DaeSeok Youn <daeseok.y...@gmail.com> wrote:
> 2014-03-05 19:13 GMT+09:00 Tobias Klauser <tklau...@distanz.ch>:
> > On 2014-03-05 at 02:24:22 +0100, Daeseok Youn <daeseok.y...@gmail.com>
> > wrote:
> >>
> >> It doesn't need to assign name array address to np pointer.
> >>
> >> Signed-off-by: Daeseok Youn <daeseok.y...@gmail.com>
> >> ---
> >> drivers/staging/cxt1e1/linux.c | 5 ++---
> >> 1 files changed, 2 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/drivers/staging/cxt1e1/linux.c
> >> b/drivers/staging/cxt1e1/linux.c
> >> index 5bb42ae..cae8c66 100644
> >> --- a/drivers/staging/cxt1e1/linux.c
> >> +++ b/drivers/staging/cxt1e1/linux.c
> >> @@ -205,15 +205,14 @@ status_t
> >> c4_wq_port_init(mpi_t *pi)
> >> {
> >>
> >> - char name[16], *np; /* NOTE: name of the queue limited by
> >> system
> >> + char name[16]; /* NOTE: name of the queue limited by system
> >> * to 10 characters */
> >>
> >> if (pi->wq_port)
> >> return 0; /* already initialized */
> >>
> >> - np = name;
> >> memset(name, 0, 16);
> >
> > This isn't necessary since s{,n}printf() adds a terminating '\0'.
> Yes, I have looked at lib/vsprintf.c. I found it adds null to a string
> in the end of vsnprintf() function.
> I will remove memset() line.
>
> >
> >> - sprintf(np, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01) */
> >> + sprintf(name, "%s%d", pi->up->devname, pi->portnum); /* IE pmcc4-01)
> >> */
> >
> > Better use snprintf() here, even if the comment above claims the name
> > never to be no longer than 10 characters.
> OK. I will replace sprintf with snprintf() and set a string length to "10".
It's probably fine to leave the string at length 16 (since there's also
a number appended to it) and the use sizeof(name) for the snprintf call.
Cheers
Tobias
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