diff --git a/crypto/seqiv.c b/crypto/seqiv.c
index f5dbb8ea6ea0a..fdcc5815d80de 100644
--- a/crypto/seqiv.c
+++ b/crypto/seqiv.c
@@ -60,7 +60,7 @@ static void seqiv_aead_complete2(struct aead_givcrypt_request *req, int err)
 	struct aead_request *subreq = aead_givcrypt_reqctx(req);
 	struct crypto_aead *geniv;
 
-	if (err == -EINPROGRESS)
+	if (err == -EINPROGRESS || err == -EBUSY)
 		return;
 
 	if (err)
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 5d49eaa8ece30..1c2799194e597 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1026,6 +1026,12 @@ EXPORT_SYMBOL_GPL(hid_open_report);
 
 static s32 snto32(__u32 value, unsigned n)
 {
+	if (!value || !n)
+		return 0;
+
+	if (n > 32)
+		n = 32;
+
 	switch (n) {
 	case 8:  return ((__s8)value);
 	case 16: return ((__s16)value);
@@ -1046,7 +1052,12 @@ EXPORT_SYMBOL_GPL(hid_snto32);
 
 static u32 s32ton(__s32 value, unsigned n)
 {
-	s32 a = value >> (n - 1);
+	s32 a;
+
+	if (!value || !n)
+		return 0;
+
+	a = value >> (n - 1);
 	if (a && a != -1)
 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
 	return value & ((1 << n) - 1);
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index a541a5a1b5c1b..ed10927be0b8f 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -970,6 +970,7 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 
 	if (cl != NULL) {
 		int old_flags;
+		int len = 0;
 
 		if (parentid) {
 			if (cl->cl_parent &&
@@ -1000,9 +1001,13 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 		if (usc != NULL)
 			hfsc_change_usc(cl, usc, cur_time);
 
+		if (cl->qdisc->q.qlen != 0)
+			len = qdisc_peek_len(cl->qdisc);
+		/* Check queue length again since some qdisc implementations
+		 * (e.g., netem/codel) might empty the queue during the peek
+		 * operation.
+		 */
 		if (cl->qdisc->q.qlen != 0) {
-			int len = qdisc_peek_len(cl->qdisc);
-
 			if (cl->cl_flags & HFSC_RSC) {
 				if (old_flags & HFSC_RSC)
 					update_ed(cl, len);
diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c
index 555b1cb4ad481..f0068accfdb84 100644
--- a/sound/pci/hda/patch_ca0132.c
+++ b/sound/pci/hda/patch_ca0132.c
@@ -4017,7 +4017,7 @@ static int add_tuning_control(struct hda_codec *codec,
 	}
 	knew.private_value =
 		HDA_COMPOSE_AMP_VAL(nid, 1, 0, type);
-	sprintf(namestr, "%s %s Volume", name, dirstr[dir]);
+	snprintf(namestr, sizeof(namestr), "%s %s Volume", name, dirstr[dir]);
 	return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
 }