perf llvm: Use strerror_r instead of the thread unsafe strerror one
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-5njrq9dltckgm624omw9ljgu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
78478269d2
commit
76267147f2
|
@ -98,11 +98,12 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz)
|
|||
void *buf = NULL;
|
||||
FILE *file = NULL;
|
||||
size_t read_sz = 0, buf_sz = 0;
|
||||
char serr[STRERR_BUFSIZE];
|
||||
|
||||
file = popen(cmd, "r");
|
||||
if (!file) {
|
||||
pr_err("ERROR: unable to popen cmd: %s\n",
|
||||
strerror(errno));
|
||||
strerror_r(errno, serr, sizeof(serr)));
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
|
@ -136,7 +137,7 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz)
|
|||
|
||||
if (ferror(file)) {
|
||||
pr_err("ERROR: error occurred when reading from pipe: %s\n",
|
||||
strerror(errno));
|
||||
strerror_r(errno, serr, sizeof(serr)));
|
||||
err = -EIO;
|
||||
goto errout;
|
||||
}
|
||||
|
@ -370,7 +371,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf,
|
|||
if (nr_cpus_avail <= 0) {
|
||||
pr_err(
|
||||
"WARNING:\tunable to get available CPUs in this system: %s\n"
|
||||
" \tUse 128 instead.\n", strerror(errno));
|
||||
" \tUse 128 instead.\n", strerror_r(errno, serr, sizeof(serr)));
|
||||
nr_cpus_avail = 128;
|
||||
}
|
||||
snprintf(nr_cpus_avail_str, sizeof(nr_cpus_avail_str), "%d",
|
||||
|
|
Loading…
Reference in a new issue