Commit-ID: 76267147f233f347dbd8f4f8c05492e5ea0a7dce Gitweb: http://git.kernel.org/tip/76267147f233f347dbd8f4f8c05492e5ea0a7dce Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Wed, 23 Mar 2016 17:42:21 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 23 Mar 2016 17:42:21 -0300
perf llvm: Use strerror_r instead of the thread unsafe strerror one Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/llvm-utils.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index aab855f..33071d6 100644 --- a/tools/perf/util/llvm-utils.c +++ b/tools/perf/util/llvm-utils.c @@ -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",
