From cd7ce5226da31972687f9bd773afaadffd250013 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 8 Apr 2013 08:24:50 +0000 Subject: [PATCH] ramips: avoid invalid pointer dereference in pinmux code Signed-off-by: Gabor Juhos SVN-Revision: 36269 --- .../0125-MIPS-ralink-process-PCI-pinmux-group.patch | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch b/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch index 08cd2428f7..d5c037e2e3 100644 --- a/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch +++ b/target/linux/ramips/patches-3.8/0125-MIPS-ralink-process-PCI-pinmux-group.patch @@ -19,11 +19,14 @@ Signed-off-by: Gabor Juhos u32 mode = 0; np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-sysc"); -@@ -76,5 +76,17 @@ void ralink_pinmux(void) +@@ -76,5 +76,20 @@ void ralink_pinmux(void) if (wdt && *wdt && rt_pinmux.wdt_reset) rt_pinmux.wdt_reset(); -+ of_property_read_string(np, "ralink,pcimux", &pci); ++ pci = NULL; ++ if (rt_pinmux.pci) ++ of_property_read_string(np, "ralink,pcimux", &pci); ++ + if (pci) { + int m = ralink_mux_mask(pci, rt_pinmux.pci); + mode &= ~(rt_pinmux.pci_mask << rt_pinmux.pci_shift);