diff --git a/dmesg.c b/dmesg.c
index a4c5b43..c60c503 100644
--- a/dmesg.c
+++ b/dmesg.c
@@ -54,9 +54,7 @@ main(int argc, char *argv[])
 	if (n < 0)
 		eprintf("klogctl:");
 
-	buf = malloc(n);
-	if (!buf)
-		eprintf("malloc:");
+	buf = emalloc(n);
 
 	n = klogctl(SYSLOG_ACTION_READ_ALL, buf, n);
 	if (n < 0)
diff --git a/insmod.c b/insmod.c
index 0ca23dc..c6ef908 100644
--- a/insmod.c
+++ b/insmod.c
@@ -37,8 +37,7 @@ main(int argc, char *argv[])
 	if (fstat(fd, &sb) < 0)
 		eprintf("stat %s:", argv[0]);
 	blen = sb.st_size;
-	if(!(buf = malloc(blen)))
-		eprintf("malloc:");
+	buf = emalloc(blen);
 
 	n = read(fd, buf, blen);
 	if(n < 0 || (size_t)n != blen)
@@ -51,8 +50,7 @@ main(int argc, char *argv[])
 		plen += strlen(argv[i]);
 	if (plen > 0) {
 		plen += argc;
-		if(!(opts = calloc(1, plen)))
-			eprintf("calloc:");
+		opts = ecalloc(1, plen);
 		for (i = 0; i < argc; i++) {
 			strcat(opts, argv[i]);
 			if (i + 1 < argc)
diff --git a/killall5.c b/killall5.c
index 8862210..0d7d02d 100644
--- a/killall5.c
+++ b/killall5.c
@@ -68,9 +68,7 @@ main(int argc, char *argv[])
 	} ARGEND;
 
 	for (p = strtok(arg, ","); p; p = strtok(NULL, ",")) {
-		onode = malloc(sizeof(*onode));
-		if (!onode)
-			eprintf("malloc:");
+		onode = emalloc(sizeof(*onode));
 		onode->pid = estrtol(p, 10);
 		onode->next = omithead;
 		omithead = onode;
diff --git a/mkswap.c b/mkswap.c
index deba3ff..25ef31c 100644
--- a/mkswap.c
+++ b/mkswap.c
@@ -58,9 +58,7 @@ main(int argc, char *argv[])
 	if (fstat(fd, &sb) < 0)
 		eprintf("stat %s:", argv[0]);
 
-	buf = calloc(1, pagesize);
-	if (!buf)
-		eprintf("malloc:");
+	buf = ecalloc(1, pagesize);
 
 	pages = sb.st_size / pagesize;
 	if (pages < SWAP_MIN_PAGES)
diff --git a/pidof.c b/pidof.c
index f91ad10..1f35558 100644
--- a/pidof.c
+++ b/pidof.c
@@ -49,9 +49,7 @@ main(int argc, char *argv[])
 		return 1;
 
 	for (p = strtok(arg, ","); p; p = strtok(NULL, ",")) {
-		onode = malloc(sizeof(*onode));
-		if (!onode)
-			eprintf("malloc:");
+		onode = emalloc(sizeof(*onode));
 		if (strcmp(p, "%PPID") == 0)
 			onode->pid = getppid();
 		else
diff --git a/su.c b/su.c
index d51b1ae..c93d9c8 100644
--- a/su.c
+++ b/su.c
@@ -151,9 +151,7 @@ msetenv(const char *name, const char *value)
 	size_t sz;
 
 	sz = strlen(name) + strlen(value) + 2;
-	buf = malloc(sz);
-	if (!buf)
-		eprintf("malloc:");
+	buf = emalloc(sz);
 	snprintf(buf, sz, "%s=%s", name, value);
 	return buf;
 }
diff --git a/umount.c b/umount.c
index 485417c..44b0c1f 100644
--- a/umount.c
+++ b/umount.c
@@ -70,12 +70,8 @@ umountall(int flags)
 	while ((me = getmntent(fp))) {
 		if (strcmp(me->mnt_type, "proc") == 0)
 			continue;
-		mntdirs = realloc(mntdirs, ++len * sizeof(*mntdirs));
-		if (!mntdirs)
-			eprintf("realloc:");
-		mntdirs[len - 1] = strdup(me->mnt_dir);
-		if (!mntdirs[len - 1])
-			eprintf("strdup:");
+		mntdirs = erealloc(mntdirs, ++len * sizeof(*mntdirs));
+		mntdirs[len - 1] = estrdup(me->mnt_dir);
 	}
 	endmntent(fp);
 	while (--len >= 0) {
diff --git a/util/apathmax.c b/util/apathmax.c
index 5dc831f..ed53bf3 100644
--- a/util/apathmax.c
+++ b/util/apathmax.c
@@ -19,7 +19,5 @@ apathmax(char **p, long *size)
 		}
 	}
 
-	if(!(*p = malloc(*size)))
-		eprintf("malloc:");
+	*p = emalloc(*size);
 }
-
diff --git a/util/tty.c b/util/tty.c
index 2a70c65..5769620 100644
--- a/util/tty.c
+++ b/util/tty.c
@@ -21,9 +21,7 @@ ttytostr(int tty_maj, int tty_min)
 
 	/* Up to 10k ttys */
 	len = strlen(pts) + 4 + 1;
-	ttystr = malloc(len);
-	if (!ttystr)
-		eprintf("malloc:");
+	ttystr = emalloc(len);
 	switch (tty_maj) {
 	case 136:
 		snprintf(ttystr, len, "%s%d", pts, tty_min);