typo fixes: occuring -> occurring

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 3e72a1f..5e31d0d 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -397,7 +397,7 @@
 		if ((dd->ipath_maskederrs & ~dd->ipath_ignorederrs) &
 		    ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL))
 			ipath_dev_err(dd, "Disabling error(s) %llx because "
-				      "occuring too frequently (%s)\n",
+				      "occurring too frequently (%s)\n",
 				      (unsigned long long)
 				      (dd->ipath_maskederrs &
 				       ~dd->ipath_ignorederrs), msg);
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 12dd8d4..cf404d2 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -5592,7 +5592,7 @@
 
 	/* The SCSI driver needs to adjust timeouts on all current
 	 * commands prior to the diagnostic reset being issued.
-	 * Prevents timeouts occuring during a diagnostic reset...very bad.
+	 * Prevents timeouts occurring during a diagnostic reset...very bad.
 	 * For all other protocol drivers, this is a no-op.
 	 */
 	{
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index 94aeb23..f502553 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -5358,7 +5358,7 @@
 		     idx, keylen, len);
 
 	/* NOTE: We don't check cached values in case the firmware was reset
-	 * or some other problem is occuring.  If the user is setting the key,
+	 * or some other problem is occurring.  If the user is setting the key,
 	 * then we push the change */
 
 	wep_key->idx = idx;
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index 0fa0ccc..bf85b57 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -390,7 +390,7 @@
 
 	/*
 	 * Finally, enable interrupts.  Note: Modem status interrupts
-	 * are set via set_termios(), which will be occuring imminently
+	 * are set via set_termios(), which will be occurring imminently
 	 * anyway, so we don't enable them here.
 	 */
 	up->ier = UART_IER_RLSI | UART_IER_RDI | UART_IER_RTOIE | UART_IER_UUE;