Module Name:    src
Committed By:   msaitoh
Date:           Sat Jan 25 07:57:48 UTC 2020

Modified Files:
        src/sys/dev/pci: if_aq.c

Log Message:
Found by kUBSan:

- Use unsigned to avoid undefined behavior in aq_hw_init().
- Cast to unsigned to avoid undefined behavior in aq_set_mac_addr().


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/pci/if_aq.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/if_aq.c
diff -u src/sys/dev/pci/if_aq.c:1.4 src/sys/dev/pci/if_aq.c:1.5
--- src/sys/dev/pci/if_aq.c:1.4	Fri Jan 17 05:22:42 2020
+++ src/sys/dev/pci/if_aq.c	Sat Jan 25 07:57:48 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_aq.c,v 1.4 2020/01/17 05:22:42 ryo Exp $	*/
+/*	$NetBSD: if_aq.c,v 1.5 2020/01/25 07:57:48 msaitoh Exp $	*/
 
 /**
  * aQuantia Corporation Network Driver
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.4 2020/01/17 05:22:42 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.5 2020/01/25 07:57:48 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_if_aq.h"
@@ -209,7 +209,7 @@ __KERNEL_RCSID(0, "$NetBSD: if_aq.c,v 1.
 
 /* AQ_GEN_INTR_MAP_REG[AQ_RINGS_NUM] 0x2180-0x2200 */
 #define AQ_GEN_INTR_MAP_REG(i)			(0x2180 + (i) * 4)
-#define  AQ_B0_ERR_INT				8
+#define  AQ_B0_ERR_INT				8U
 
 #define AQ_INTR_CTRL_REG			0x2300
 #define  AQ_INTR_CTRL_IRQMODE			__BITS(1,0)
@@ -2581,7 +2581,7 @@ aq_set_mac_addr(struct aq_softc *sc, int
 	}
 
 	h = (enaddr[0] <<  8) | (enaddr[1]);
-	l = (enaddr[2] << 24) | (enaddr[3] << 16) |
+	l = ((uint32_t)enaddr[2] << 24) | (enaddr[3] << 16) |
 	    (enaddr[4] <<  8) | (enaddr[5]);
 
 	/* disable, set, and enable */
@@ -3281,7 +3281,7 @@ aq_hw_init(struct aq_softc *sc)
 	AQ_WRITE_REG(sc, AQ_INTR_AUTOMASK_REG, 0xffffffff);
 
 	AQ_WRITE_REG(sc, AQ_GEN_INTR_MAP_REG(0),
-	    ((AQ_B0_ERR_INT << 24) | (1 << 31)) |
+	    ((AQ_B0_ERR_INT << 24) | (1U << 31)) |
 	    ((AQ_B0_ERR_INT << 16) | (1 << 23))
 	);
 

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