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Fix file descriptor leak in LinuxProcessList_readCmdlineFile after xread failure
Found by Coverity
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@ -1023,7 +1023,6 @@ static bool LinuxProcessList_readCmdlineFile(Process* process, const char* dirna
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xSnprintf(filename, MAX_NAME, "%s/%s/comm", dirname, name);
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if ((fd = open(filename, O_RDONLY)) != -1 &&
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(amtRead = xread(fd, command, sizeof(command) - 1)) > 0) {
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close(fd);
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command[amtRead - 1] = 0;
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lp->mergedCommand.maxLen += amtRead - 1; /* accomodate comm */
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if (!lp->procComm || strcmp(command, lp->procComm)) {
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@ -1037,6 +1036,9 @@ static bool LinuxProcessList_readCmdlineFile(Process* process, const char* dirna
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lp->mergedCommand.commChanged = true;
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}
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if (fd != -1)
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close(fd);
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/* execve could change /proc/[pid]/exe, so procExe should be udpated */
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xSnprintf(command, sizeof(command), "%s/%s/exe", dirname, name);
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if ((amtRead = readlink(command, filename, sizeof(filename) - 1)) > 0) {
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