diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 8df12bf02af390665b8fdee60c56cd9bc9c9e543..2db06490b1ac179e7ce01cfd00981d6afea35c08 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -2333,10 +2333,10 @@ HFC_init(void)
 		poll = HFCPCI_BTRANS_THRESHOLD;
 
 	if (poll != HFCPCI_BTRANS_THRESHOLD) {
-		tics = poll * HZ / 8000;
+		tics = (poll * HZ) / 8000;
 		if (tics < 1)
 			tics = 1;
-		poll = tics * 8000 / HZ;
+		poll = (tics * 8000) / HZ;
 		if (poll > 256 || poll < 8) {
 			printk(KERN_ERR "%s: Wrong poll value %d not in range "
 				"of 8..256.\n", __func__, poll);
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index c16cb7ac3d2a11d356d45b59cb3c76e200e3b0e4..7e60cb94b5c0826b2ceda0d7480bb35ee603eda9 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -1141,7 +1141,7 @@ static int dsp_init(void)
 	} else {
 		poll = 8;
 		while (poll <= MAX_POLL) {
-			tics = poll * HZ / 8000;
+			tics = (poll * HZ) / 8000;
 			if (tics * 8000 == poll * HZ) {
 				dsp_tics = tics;
 				dsp_poll = poll;
diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 7a3a3e1e4d80603932f3910230cf545de215835d..bf999bdc41c3e87df4a670738b81b90b215c1c97 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -92,7 +92,7 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
 	if (!elem)
 		return -EINVAL;
 
-	entry = kzalloc(sizeof(struct dsp_element_entry), GFP_KERNEL);
+	entry = kzalloc(sizeof(struct dsp_element_entry), GFP_ATOMIC);
 	if (!entry)
 		return -ENOMEM;
 
@@ -253,7 +253,7 @@ int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
 	if (!len)
 		return 0;
 
-	dup = kmalloc(len + 1, GFP_KERNEL);
+	dup = kmalloc(len + 1, GFP_ATOMIC);
 	if (!dup)
 		return 0;
 	strcpy(dup, cfg);
@@ -270,7 +270,7 @@ int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
 				elem = entry->elem;
 
 				pipeline_entry = kmalloc(sizeof(struct
-					dsp_pipeline_entry), GFP_KERNEL);
+					dsp_pipeline_entry), GFP_ATOMIC);
 				if (!pipeline_entry) {
 					printk(KERN_ERR "%s: failed to add "
 					    "entry to pipeline: %s (out of "