net: phy: Reloc next and prev pointers inside phy_drivers
authorSiva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Mon, 4 Mar 2019 15:01:30 +0000 (16:01 +0100)
committerJoe Hershberger <joe.hershberger@ni.com>
Wed, 8 May 2019 22:27:00 +0000 (17:27 -0500)
This patch relocates the pointers inside phy_drivers incase
of manual reloc. Without this reloc, these points to invalid
pre relocation address and hence causes exception or hang.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
drivers/net/phy/phy.c

index 9c3e037..04af916 100644 (file)
@@ -462,6 +462,18 @@ static LIST_HEAD(phy_drivers);
 
 int phy_init(void)
 {
+#ifdef CONFIG_NEEDS_MANUAL_RELOC
+       /*
+        * The pointers inside phy_drivers also needs to be updated incase of
+        * manual reloc, without which these points to some invalid
+        * pre reloc address and leads to invalid accesses, hangs.
+        */
+       struct list_head *head = &phy_drivers;
+
+       head->next = (void *)head->next + gd->reloc_off;
+       head->prev = (void *)head->prev + gd->reloc_off;
+#endif
+
 #ifdef CONFIG_B53_SWITCH
        phy_b53_init();
 #endif