diff options
| -rw-r--r-- | tools/perf/util/probe-finder.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 93583eb19cd..d964cb199c6 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -743,32 +743,36 @@ static int find_lazy_match_lines(struct list_head *head, const char *fname, const char *pat) { char *fbuf, *p1, *p2; - int fd, ret, line, nlines = 0; + int fd, line, nlines = -1; struct stat st; fd = open(fname, O_RDONLY); if (fd < 0) { pr_warning("Failed to open %s: %s\n", fname, strerror(-fd)); - return fd; + return -errno; } - ret = fstat(fd, &st); - if (ret < 0) { + if (fstat(fd, &st) < 0) { pr_warning("Failed to get the size of %s: %s\n", fname, strerror(errno)); - return ret; + nlines = -errno; + goto out_close; } - fbuf = xmalloc(st.st_size + 2); - ret = read(fd, fbuf, st.st_size); - if (ret < 0) { + + nlines = -ENOMEM; + fbuf = malloc(st.st_size + 2); + if (fbuf == NULL) + goto out_close; + if (read(fd, fbuf, st.st_size) < 0) { pr_warning("Failed to read %s: %s\n", fname, strerror(errno)); - return ret; + nlines = -errno; + goto out_free_fbuf; } - close(fd); fbuf[st.st_size] = '\n'; /* Dummy line */ fbuf[st.st_size + 1] = '\0'; p1 = fbuf; line = 1; + nlines = 0; while ((p2 = strchr(p1, '\n')) != NULL) { *p2 = '\0'; if (strlazymatch(p1, pat)) { @@ -778,7 +782,10 @@ static int find_lazy_match_lines(struct list_head *head, line++; p1 = p2 + 1; } +out_free_fbuf: free(fbuf); +out_close: + close(fd); return nlines; } @@ -955,6 +962,8 @@ int find_kprobe_trace_events(int fd, struct perf_probe_event *pev, if (!dbg) { pr_warning("No dwarf info found in the vmlinux - " "please rebuild with CONFIG_DEBUG_INFO=y.\n"); + free(pf.tevs); + *tevs = NULL; return -EBADF; } |