diff -urN hdparm-9.54/fibmap.c hdparm-9.54_patched/fibmap.c

--- hdparm-9.54/fibmap.c	2016-10-13 01:50:52.000000000 +0200

+++ hdparm-9.54_patched/fibmap.c	2018-10-04 12:17:39.630627349 +0200

@@ -232,6 +232,7 @@

 	if (fstat(fd, &st) == -1) {

 		err = errno;

 		perror(file_name);

+		close(fd);

 		return err;

 	}

 	if (!S_ISREG(st.st_mode)) {

diff -urN hdparm-9.54/fwdownload.c hdparm-9.54_patched/fwdownload.c

--- hdparm-9.54/fwdownload.c	2017-12-06 13:41:40.000000000 +0100

+++ hdparm-9.54_patched/fwdownload.c	2018-10-04 12:19:23.819336125 +0200

@@ -95,12 +95,19 @@

 	int xfer_min = 1, xfer_max = 0xffff, xfer_size;

 	ssize_t offset;

-	if ((fwfd = open(fwpath, O_RDONLY)) == -1 || fstat(fwfd, &st) == -1) {

+	if ((fwfd = open(fwpath, O_RDONLY)) == -1) {

 		err = errno;

 		perror(fwpath);

 		return err;

 	}

+	if (fstat(fwfd, &st) == -1) {

+		err = errno;

+		perror(fwpath);

+		close(fwfd);

+		return err;

+	}

+

 	if (!S_ISREG(st.st_mode)) {

 		fprintf(stderr, "%s: not a regular file\n", fwpath);

 		err = EINVAL;

diff -urN hdparm-9.54/hdparm.c hdparm-9.54_patched/hdparm.c

--- hdparm-9.54/hdparm.c	2018-02-03 19:10:40.000000000 +0100

+++ hdparm-9.54_patched/hdparm.c	2018-10-04 13:25:58.924126976 +0200

@@ -590,6 +590,9 @@

 	printf("\n");

 	printf("\n * signifies the current active mode\n");

 	printf("\n");

+	free(fwrev);

+	free(model);

+	free(serno);

 }

 static const char *busstate_str (unsigned int value)

@@ -1174,8 +1177,10 @@

 	if (!shortened)

 		fdevname = strdup("the full disk");

-	if (start_lba == 0ULL)

+	if (start_lba == 0ULL) {

+		free(fdevname);

 		return 0;

+	}

 	if (start_lba == START_LBA_UNKNOWN || fd_is_raid(fd)) {

 		fprintf(stderr, "%s is a RAID device: please specify an absolute LBA of a raw member device instead (raid1 only)\n", devname);

 	} else if (msg) {

@@ -1187,6 +1192,7 @@

 		fprintf(stderr, "The absolute LBA of sector %llu from %s should be %llu\n", lba, devname, start_lba + lba);

 	}

 	fprintf(stderr, "Aborting.\n");

+	free(fdevname);

 	exit(EINVAL);

 }

diff -urN hdparm-9.54/sysfs.c hdparm-9.54_patched/sysfs.c

--- hdparm-9.54/sysfs.c	2018-10-04 12:14:29.900157666 +0200

+++ hdparm-9.54_patched/sysfs.c	2018-10-04 14:13:07.056659514 +0200

@@ -60,8 +63,8 @@

 		}

 		if (count < 0)

 			err = errno;

-		fclose(fp);

 	}

+	fclose(fp);

 	if (err && verbose) perror(path);

 	*pathtail = '\0';

 	return err;