diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 5d576435fcccddd5fe0498c57c90c058e436de65..fb8a749423ca6634f3f8dff199db09841a24d497 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -2666,7 +2666,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	mv_print_info(host);
 
 	pci_set_master(pdev);
-	pci_set_mwi(pdev);
+	pci_try_set_mwi(pdev);
 	return ata_host_activate(host, pdev->irq, mv_interrupt, IRQF_SHARED,
 				 IS_GEN_I(hpriv) ? &mv5_sht : &mv6_sht);
 }
diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 59651abfa4f8b683bc82d33fb7077224ee3256e2..b34b3829f6a9a1fa5a37fe4df0dd607dd3e76c13 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -1040,7 +1040,7 @@ static int amb_open (struct atm_vcc * atm_vcc)
   struct atm_qos * qos;
   struct atm_trafprm * txtp;
   struct atm_trafprm * rxtp;
-  u16 tx_rate_bits;
+  u16 tx_rate_bits = -1; // hush gcc
   u16 tx_vc_bits = -1; // hush gcc
   u16 tx_frame_bits = -1; // hush gcc
   
@@ -1096,6 +1096,8 @@ static int amb_open (struct atm_vcc * atm_vcc)
 	    r = round_up;
 	  }
 	  error = make_rate (pcr, r, &tx_rate_bits, NULL);
+	  if (error)
+	    return error;
 	  tx_vc_bits = TX_UBR_CAPPED;
 	  tx_frame_bits = TX_FRAME_CAPPED;
 	}
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index eef415b12b2ebda3d60043bf4b7f9cf8fee72563..11f1d99db40b5896698d98bf81a90a48e3c54879 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1591,7 +1591,7 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 	int i;
 	int size;
 	int size0 = 0;
-	u32 f0;
+	u32 f0 = 0;
 	int ind;
 	u8 op0 = 0;
 
@@ -1946,7 +1946,7 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 	int i;
 	int size;
 	int size0 = 0;
-	u32 f0;
+	u32 f0 = 0;
 	int ind;
 	u8 op0 = 0;
 
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 74002945b71b6d1123f21c0f2766eca37d2f53e8..4dc10c8ab964fd4acf9b9ccdc002172ddc0c4062 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -368,7 +368,7 @@ int ubi_eba_read_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf,
 	int err, pnum, scrub = 0, idx = vol_id2idx(ubi, vol_id);
 	struct ubi_vid_hdr *vid_hdr;
 	struct ubi_volume *vol = ubi->volumes[idx];
-	uint32_t crc, crc1;
+	uint32_t crc;
 
 	err = leb_read_lock(ubi, vol_id, lnum);
 	if (err)
@@ -451,7 +451,7 @@ int ubi_eba_read_leb(struct ubi_device *ubi, int vol_id, int lnum, void *buf,
 	}
 
 	if (check) {
-		crc1 = crc32(UBI_CRC32_INIT, buf, len);
+		uint32_t crc1 = crc32(UBI_CRC32_INIT, buf, len);
 		if (crc1 != crc) {
 			ubi_warn("CRC error: calculated %#08x, must be %#08x",
 				 crc1, crc);
diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c
index 9afa47edfc5850e65309530f68e8dbab2f437656..3c54014acece68be4c3217a5565ec2f47eafd7f9 100644
--- a/drivers/net/eepro100.c
+++ b/drivers/net/eepro100.c
@@ -2292,10 +2292,15 @@ static int eepro100_resume(struct pci_dev *pdev)
 	struct net_device *dev = pci_get_drvdata (pdev);
 	struct speedo_private *sp = netdev_priv(dev);
 	void __iomem *ioaddr = sp->regs;
+	int rc;
 
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
-	pci_enable_device(pdev);
+
+	rc = pci_enable_device(pdev);
+	if (rc)
+		return rc;
+
 	pci_set_master(pdev);
 
 	if (!netif_running(dev))
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 3450051ae56b635c260f56d159314466eb0e5a0a..6bb48ba809649ca7e3ab940f42ba98ba1f9dc643 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -671,7 +671,7 @@ static ssize_t natsemi_show_##_name(struct device *dev, \
 #define NATSEMI_CREATE_FILE(_dev, _name) \
          device_create_file(&_dev->dev, &dev_attr_##_name)
 #define NATSEMI_REMOVE_FILE(_dev, _name) \
-         device_create_file(&_dev->dev, &dev_attr_##_name)
+         device_remove_file(&_dev->dev, &dev_attr_##_name)
 
 NATSEMI_ATTR(dspcfg_workaround);
 
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index 995c0a5d40662ec1c7c1238faeb9bc74384c29be..cfdeaf7aa163516ba5a56c19cdabe89f419fc64e 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -669,10 +669,15 @@ static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 static int ne2k_pci_resume (struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata (pdev);
+	int rc;
 
 	pci_set_power_state(pdev, 0);
 	pci_restore_state(pdev);
-	pci_enable_device(pdev);
+
+	rc = pci_enable_device(pdev);
+	if (rc)
+		return rc;
+
 	NS8390_init(dev, 1);
 	netif_device_attach(dev);
 
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index ec1c556a47caf65c69b81504f7a1207e7e52f013..5d8c78ee2cd9648e186f0efbdd4d1065b2715ef8 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -2833,6 +2833,8 @@ static int clock_rate_calc(uclong rate, uclong clock, int *br_io)
 	int br, tc;
 	int br_pwr, error;
 
+	*br_io = 0;
+
 	if (rate == 0)
 		return (0);
 
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index 35eded7ffb2dda831ddeea27e78c58dc37708e6d..1cc18e787a65e4c39dc8e0e1fff2eed027d1ab6c 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -595,8 +595,8 @@ recv_frame( struct net_device  *dev )
 
 	u32  crc = CRC32_INITIAL;
 
-	unsigned  framelen, frameno, ack;
-	unsigned  is_first, frame_ok;
+	unsigned  framelen = 0, frameno, ack;
+	unsigned  is_first, frame_ok = 0;
 
 	if( check_fhdr( ioaddr, &framelen, &frameno, &ack, &is_first, &crc ) ) {
 		frame_ok = framelen > 4
@@ -604,8 +604,7 @@ recv_frame( struct net_device  *dev )
 			:  skip_tail( ioaddr, framelen, crc );
 		if( frame_ok )
 			interpret_ack( dev, ack );
-	} else
-		frame_ok = 0;
+	}
 
 	outb( inb( ioaddr + CSR0 ) ^ CT_ZER, ioaddr + CSR0 );
 	if( frame_ok ) {
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index c7b0a357b04a68f309cf0ef783c1d7406e99014b..49cd9793404f33c5165d5b77e0d9657c3f7c1b20 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -3453,7 +3453,6 @@ static void ixj_write_frame(IXJ *j)
 {
 	int cnt, frame_count, dly;
 	IXJ_WORD dat;
-	BYTES blankword;
 
 	frame_count = 0;
 	if(j->flags.cidplay) {
@@ -3501,6 +3500,8 @@ static void ixj_write_frame(IXJ *j)
 		}
 		if (frame_count >= 1) {
 			if (j->ver.low == 0x12 && j->play_mode && j->flags.play_first_frame) {
+				BYTES blankword;
+
 				switch (j->play_mode) {
 				case PLAYBACK_MODE_ULAW:
 				case PLAYBACK_MODE_ALAW:
@@ -3508,6 +3509,7 @@ static void ixj_write_frame(IXJ *j)
 					break;
 				case PLAYBACK_MODE_8LINEAR:
 				case PLAYBACK_MODE_16LINEAR:
+				default:
 					blankword.low = blankword.high = 0x00;
 					break;
 				case PLAYBACK_MODE_8LINEAR_WSS:
@@ -3531,6 +3533,8 @@ static void ixj_write_frame(IXJ *j)
 				j->flags.play_first_frame = 0;
 			} else	if (j->play_codec == G723_63 && j->flags.play_first_frame) {
 				for (cnt = 0; cnt < 24; cnt++) {
+					BYTES blankword;
+
 					if(cnt == 12) {
 						blankword.low = 0x02;
 						blankword.high = 0x00;
@@ -4868,6 +4872,7 @@ static char daa_CR_read(IXJ *j, int cr)
 		bytes.high = 0xB0 + cr;
 		break;
 	case SOP_PU_PULSEDIALING:
+	default:
 		bytes.high = 0xF0 + cr;
 		break;
 	}
diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index 1fd5fc220cd7ee9ac81c08af66e10466e5bb3821..3e22b2ff9e7406aa0c5b170efb814cd183f07450 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -630,7 +630,7 @@ static int auerchain_start_wait_urb (pauerchain_t acp, struct urb *urb, int time
 	} else
 		status = urb->status;
 
-	if (actual_length)
+	if (status >= 0)
 		*actual_length = urb->actual_length;
 
   	return status;
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index ce61f423542c18b1a691d73f4f5d7cc4ca94ec75..1bf093dcffe03e9f97dc4a8e91b4a99bd6f11b32 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1210,8 +1210,8 @@ static inline int audit_add_rule(struct audit_entry *entry,
 	struct audit_entry *e;
 	struct audit_field *inode_f = entry->rule.inode_f;
 	struct audit_watch *watch = entry->rule.watch;
-	struct nameidata *ndp, *ndw;
-	int h, err, putnd_needed = 0;
+	struct nameidata *ndp = NULL, *ndw = NULL;
+	int h, err;
 #ifdef CONFIG_AUDITSYSCALL
 	int dont_count = 0;
 
@@ -1239,7 +1239,6 @@ static inline int audit_add_rule(struct audit_entry *entry,
 		err = audit_get_nd(watch->path, &ndp, &ndw);
 		if (err)
 			goto error;
-		putnd_needed = 1;
 	}
 
 	mutex_lock(&audit_filter_mutex);
@@ -1269,14 +1268,11 @@ static inline int audit_add_rule(struct audit_entry *entry,
 #endif
 	mutex_unlock(&audit_filter_mutex);
 
-	if (putnd_needed)
-		audit_put_nd(ndp, ndw);
-
+	audit_put_nd(ndp, ndw);		/* NULL args OK */
  	return 0;
 
 error:
-	if (putnd_needed)
-		audit_put_nd(ndp, ndw);
+	audit_put_nd(ndp, ndw);		/* NULL args OK */
 	if (watch)
 		audit_put_watch(watch); /* tmp watch, matches initial get */
 	return err;