Messages in this thread |  | | Subject | Re: [PATCH] perf probe: check if *ptr2 is zero and not ptr2 | From | Colin Ian King <> | Date | Mon, 3 Oct 2016 12:22:25 +0100 |
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On 03/10/16 12:19, Arnaldo Carvalho de Melo wrote: > Em Mon, Oct 03, 2016 at 11:34:31AM +0100, Colin King escreveu: >> From: Colin Ian King <colin.king@canonical.com> >> >> Static anaylsis with cppcheck detected an incorrect comparison: >> [tools/perf/util/probe-event.c:216]: (warning) Char literal compared with >> pointer 'ptr2'. Did you intend to dereference it? > > What tool was used for that?
cppcheck https://github.com/danmar/cppcheck - I run it nearly daily on linux-next and linux
> > - Arnaldo > >> Dereference ptr2 for the comparison to fix this. >> >> Fixes: 35726d3a4ca9 ("perf probe: Fix to cut off incompatible chars from group name") >> Signed-off-by: Colin Ian King <colin.king@canonical.com> >> --- >> tools/perf/util/probe-event.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c >> index fcfbef0..d281ae2 100644 >> --- a/tools/perf/util/probe-event.c >> +++ b/tools/perf/util/probe-event.c >> @@ -213,7 +213,7 @@ static int convert_exec_to_group(const char *exec, char **result) >> goto out; >> } >> >> - for (ptr2 = ptr1; ptr2 != '\0'; ptr2++) { >> + for (ptr2 = ptr1; *ptr2 != '\0'; ptr2++) { >> if (!isalnum(*ptr2) && *ptr2 != '_') { >> *ptr2 = '\0'; >> break; >> -- >> 2.9.3
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