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| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.zip mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch b/target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch new file mode 100644 index 0000000..f939f07 --- /dev/null +++ b/target/linux/generic/patches-4.9/121-of-Add-check-to-of_scan_flat_dt-before-accessing-ini.patch @@ -0,0 +1,30 @@ +From: Tobias Wolf <dev-NTEO@vplace.de> +Date: Wed, 23 Nov 2016 10:40:07 +0100 +Subject: [PATCH] of: Add check to of_scan_flat_dt() before accessing + initial_boot_params + +An empty __dtb_start to __dtb_end section might result in initial_boot_params +being null for arch/mips/ralink. This showed that the boot process hangs +indefinitely in of_scan_flat_dt(). + +Signed-off-by: Tobias Wolf <dev-NTEO@vplace.de> +--- + +--- a/drivers/of/fdt.c ++++ b/drivers/of/fdt.c +@@ -738,9 +738,12 @@ int __init of_scan_flat_dt(int (*it)(uns + const char *pathp; + int offset, rc = 0, depth = -1; + +- for (offset = fdt_next_node(blob, -1, &depth); +- offset >= 0 && depth >= 0 && !rc; +- offset = fdt_next_node(blob, offset, &depth)) { ++ if (!blob) ++ return 0; ++ ++ for (offset = fdt_next_node(blob, -1, &depth); ++ offset >= 0 && depth >= 0 && !rc; ++ offset = fdt_next_node(blob, offset, &depth)) { + + pathp = fdt_get_name(blob, offset, NULL); + if (*pathp == '/') |