> -----Original Message----- > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > Sent: Tuesday, December 9, 2014 7:48 AM > To: KY Srinivasan > Cc: Haiyang Zhang; de...@linuxdriverproject.org; linux- > ker...@vger.kernel.org; Dexuan Cui > Subject: [PATCH 2/5] Tools: hv: remove unused bytes_written from > kvp_update_file() > > fwrite() does not actually return the number of bytes written and this value > is being ignored anyway and ferror() is being called to check for an error. As > we assign to this variable and never use it we get the following compile-time > warning: > hv_kvp_daemon.c:149:9: warning: variable ‘bytes_written’ set but not used > [-Wunused-but-set-variable] > > Remove bytes_written completely. > > Signed-off-by: Vitaly Kuznetsov <vkuzn...@redhat.com> Signed-off-by: K. Y. Srinivasan <k...@microsoft.com> > --- > tools/hv/hv_kvp_daemon.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index > 6a6432a..5a274ca 100644 > --- a/tools/hv/hv_kvp_daemon.c > +++ b/tools/hv/hv_kvp_daemon.c > @@ -147,7 +147,6 @@ static void kvp_release_lock(int pool) static void > kvp_update_file(int pool) { > FILE *filep; > - size_t bytes_written; > > /* > * We are going to write our in-memory registry out to @@ -163,8 > +162,7 @@ static void kvp_update_file(int pool) > exit(EXIT_FAILURE); > } > > - bytes_written = fwrite(kvp_file_info[pool].records, > - sizeof(struct kvp_record), > + fwrite(kvp_file_info[pool].records, sizeof(struct kvp_record), > kvp_file_info[pool].num_records, filep); > > if (ferror(filep) || fclose(filep)) { > -- > 1.9.3
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