Module Name:    src
Committed By:   martin
Date:           Fri Aug 29 11:37:51 UTC 2014

Modified Files:
        src/sys/dev/pci [netbsd-7]: if_wm.c if_wmvar.h

Log Message:
Pull up following revision(s) (requested by msaitoh in ticket #61):
        sys/dev/pci/if_wm.c: revision 1.290
        sys/dev/pci/if_wmvar.h: revision 1.20
Set the WM_F_ATTACHED flag if wm_attach() finished succesfully and check
the flag in wm_detach(). It will avoid to panic in wm_detach().
Fixes PR#49102.


To generate a diff of this commit:
cvs rdiff -u -r1.289 -r1.289.2.1 src/sys/dev/pci/if_wm.c
cvs rdiff -u -r1.19 -r1.19.2.1 src/sys/dev/pci/if_wmvar.h

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_wm.c
diff -u src/sys/dev/pci/if_wm.c:1.289 src/sys/dev/pci/if_wm.c:1.289.2.1
--- src/sys/dev/pci/if_wm.c:1.289	Sun Aug 10 16:44:36 2014
+++ src/sys/dev/pci/if_wm.c	Fri Aug 29 11:37:51 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_wm.c,v 1.289 2014/08/10 16:44:36 tls Exp $	*/
+/*	$NetBSD: if_wm.c,v 1.289.2.1 2014/08/29 11:37:51 martin Exp $	*/
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.289 2014/08/10 16:44:36 tls Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.289.2.1 2014/08/29 11:37:51 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1718,7 +1718,7 @@ wm_attach(device_t parent, device_t self
 		    &sc->sc_flasht, &sc->sc_flashh, NULL, NULL)) {
 			aprint_error_dev(sc->sc_dev,
 			    "can't map FLASH registers\n");
-			return;
+			goto fail_5;
 		}
 		reg = ICH8_FLASH_READ32(sc, ICH_FLASH_GFPREG);
 		sc->sc_ich8_flash_base = (reg & ICH_GFPREG_BASE_MASK) *
@@ -1838,7 +1838,7 @@ wm_attach(device_t parent, device_t self
 		if (wm_read_mac_addr(sc, enaddr) != 0) {
 			aprint_error_dev(sc->sc_dev,
 			    "unable to read Ethernet address\n");
-			return;
+			goto fail_5;
 		}
 	}
 
@@ -1856,7 +1856,7 @@ wm_attach(device_t parent, device_t self
 	} else {
 		if (wm_nvm_read(sc, EEPROM_OFF_CFG1, 1, &cfg1)) {
 			aprint_error_dev(sc->sc_dev, "unable to read CFG1\n");
-			return;
+			goto fail_5;
 		}
 	}
 
@@ -1867,7 +1867,7 @@ wm_attach(device_t parent, device_t self
 	} else {
 		if (wm_nvm_read(sc, EEPROM_OFF_CFG2, 1, &cfg2)) {
 			aprint_error_dev(sc->sc_dev, "unable to read CFG2\n");
-			return;
+			goto fail_5;
 		}
 	}
 
@@ -1937,7 +1937,7 @@ wm_attach(device_t parent, device_t self
 			if (wm_nvm_read(sc, EEPROM_OFF_SWDPIN, 1, &swdpin)) {
 				aprint_error_dev(sc->sc_dev,
 				    "unable to read SWDPIN\n");
-				return;
+				goto fail_5;
 			}
 		}
 	}
@@ -2253,6 +2253,7 @@ wm_attach(device_t parent, device_t self
 	else
 		aprint_error_dev(self, "couldn't establish power handler\n");
 
+	sc->sc_flags |= WM_F_ATTACHED;
 	return;
 
 	/*
@@ -2292,7 +2293,12 @@ wm_detach(device_t self, int flags __unu
 	int i;
 #ifndef WM_MPSAFE
 	int s;
+#endif
 
+	if ((sc->sc_flags & WM_F_ATTACHED) == 0)
+		return 0;
+
+#ifndef WM_MPSAFE
 	s = splnet();
 #endif
 	/* Stop the interface. Callouts are stopped in it. */

Index: src/sys/dev/pci/if_wmvar.h
diff -u src/sys/dev/pci/if_wmvar.h:1.19 src/sys/dev/pci/if_wmvar.h:1.19.2.1
--- src/sys/dev/pci/if_wmvar.h:1.19	Mon Jul 14 05:00:18 2014
+++ src/sys/dev/pci/if_wmvar.h	Fri Aug 29 11:37:51 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_wmvar.h,v 1.19 2014/07/14 05:00:18 msaitoh Exp $	*/
+/*	$NetBSD: if_wmvar.h,v 1.19.2.1 2014/08/29 11:37:51 martin Exp $	*/
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -95,6 +95,7 @@
 #define WM_F_HAS_MANAGE		0x00100000
 #define WM_F_WOL		0x00200000
 #define WM_F_EEE		0x00400000 /* Energy Efficiency Ethernet */
+#define WM_F_ATTACHED		0x00800000 /* attach() fininsed successfully */
 
 typedef enum {
 	WM_T_unknown		= 0,

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