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Commit 76267147 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 78478269

tools/perf/util/llvm-utils.c

+4 −3
Original line number Diff line number Diff line
@@ -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",