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authorIngo Molnar <mingo@kernel.org>2021-03-18 17:27:03 +0300
committerIngo Molnar <mingo@kernel.org>2021-03-18 17:27:03 +0300
commit14ff3ed86e2c1700345f411b90a78f62867f217e (patch)
tree0eec583be82296fa6359edb59f2921095eef0dc2 /arch/arm64/kernel/idreg-override.c
parent81519f778830d1ab02274eeaaeab6797fdc4ec52 (diff)
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
downloadlinux-14ff3ed86e2c1700345f411b90a78f62867f217e.tar.xz
Merge tag 'v5.12-rc3' into x86/cleanups, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/idreg-override.c')
-rw-r--r--arch/arm64/kernel/idreg-override.c43
1 files changed, 23 insertions, 20 deletions
diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
index dffb16682330..83f1c4b92095 100644
--- a/arch/arm64/kernel/idreg-override.c
+++ b/arch/arm64/kernel/idreg-override.c
@@ -163,33 +163,36 @@ static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
} while (1);
}
-static __init void parse_cmdline(void)
+static __init const u8 *get_bootargs_cmdline(void)
{
- if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) {
- const u8 *prop;
- void *fdt;
- int node;
+ const u8 *prop;
+ void *fdt;
+ int node;
- fdt = get_early_fdt_ptr();
- if (!fdt)
- goto out;
+ fdt = get_early_fdt_ptr();
+ if (!fdt)
+ return NULL;
- node = fdt_path_offset(fdt, "/chosen");
- if (node < 0)
- goto out;
+ node = fdt_path_offset(fdt, "/chosen");
+ if (node < 0)
+ return NULL;
- prop = fdt_getprop(fdt, node, "bootargs", NULL);
- if (!prop)
- goto out;
+ prop = fdt_getprop(fdt, node, "bootargs", NULL);
+ if (!prop)
+ return NULL;
- __parse_cmdline(prop, true);
+ return strlen(prop) ? prop : NULL;
+}
- if (!IS_ENABLED(CONFIG_CMDLINE_EXTEND))
- return;
- }
+static __init void parse_cmdline(void)
+{
+ const u8 *prop = get_bootargs_cmdline();
-out:
- __parse_cmdline(CONFIG_CMDLINE, true);
+ if (IS_ENABLED(CONFIG_CMDLINE_FORCE) || !prop)
+ __parse_cmdline(CONFIG_CMDLINE, true);
+
+ if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && prop)
+ __parse_cmdline(prop, true);
}
/* Keep checkers quiet */