Re: [PATCH POWERTOP] Fix various resource leaks

Mohammad,

This fix should go upstream. cc'ing the powertop list.

Regards, Amit

On Thu, Jun 26, 2014 at 12:42 PM, Mohammad Merajul Islam Molla meraj.enigma@gmail.com wrote:

Fixes some resource leaks detected by valgrind and coverity scan.

diff --git a/src/devices/ahci.cpp b/src/devices/ahci.cpp index ac06460..7f704b6 100644 --- a/src/devices/ahci.cpp +++ b/src/devices/ahci.cpp @@ -64,8 +64,10 @@ static string disk_name(char *path, char *target, char *shortname) sprintf(line, "%s/%s/model", pathname, dirent->d_name); file = fopen(line, "r"); if (file) {

•                   if (fgets(line, 4096, file) == NULL)
  

•                   if (fgets(line, 4096, file) == NULL) {
  

•                           fclose(file);
                            break;
  

•                   }
                    fclose(file);
                    c = strchr(line, '\n');
                    if (c)
  

diff --git a/src/devices/devfreq.cpp b/src/devices/devfreq.cpp index e16951c..23c4b0c 100644 --- a/src/devices/devfreq.cpp +++ b/src/devices/devfreq.cpp @@ -238,6 +238,7 @@ void create_all_devfreq_devices(void)

    callback fn = &devfreq_dev_callback;
    process_directory(p.c_str(), fn);

•   closedir(dir);
  

}

void initialize_devfreq(void) diff --git a/src/perf/perf_bundle.cpp b/src/perf/perf_bundle.cpp index b0e982b..cf1ae11 100644 --- a/src/perf/perf_bundle.cpp +++ b/src/perf/perf_bundle.cpp @@ -142,8 +142,10 @@ static void parse_event_format(const char *event_name)

    buf = read_file(file);
    free(file);

•   if (!buf)
  

•   if (!buf) {
  

•           free(name);
            return;
  

•   }
  
    pevent_parse_event(perf_event::pevent, buf, strlen(buf), sys);
    free(name);
  

diff --git a/src/tuning/bluetooth.cpp b/src/tuning/bluetooth.cpp index e0bdf12..5100a8a 100644 --- a/src/tuning/bluetooth.cpp +++ b/src/tuning/bluetooth.cpp @@ -144,8 +144,10 @@ int bt_tunable::good_bad(void) if (file) { char line[2048]; /* first line is standard header */

•                   if (fgets(line, 2047, file) == NULL)
  

•                   if (fgets(line, 2047, file) == NULL) {
  

•                           pclose(file);
                            goto out;
  

•                   }
                    memset(line, 0, 2048);
                    if (fgets(line, 2047, file) == NULL) {
                            result = last_check_result = TUNE_GOOD;
  
  
  
  

-- Thanks, -Meraj

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