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[v3,17/60] arm64: idreg-override: Omit non-NULL checks for override pointer

Message ID 20230307140522.2311461-18-ardb@kernel.org (mailing list archive)
State New, archived
Headers show
Series arm64: Add support for LPA2 at stage1 and WXN | expand

Commit Message

Ard Biesheuvel March 7, 2023, 2:04 p.m. UTC 
Now that override pointers are always set, we can drop the various
non-NULL checks that we have in the code.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 arch/arm64/kernel/idreg-override.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)
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Patch

diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
index 434703e4e55cb785..b6e90ee6857eb758 100644
--- a/arch/arm64/kernel/idreg-override.c
+++ b/arch/arm64/kernel/idreg-override.c
@@ -196,9 +196,6 @@  static void __init match_options(const char *cmdline)
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
 		int f;
 
-		if (!regs[i]->override)
-			continue;
-
 		for (f = 0; strlen(regs[i]->fields[f].name); f++) {
 			u64 shift = regs[i]->fields[f].shift;
 			u64 width = regs[i]->fields[f].width ?: 4;
@@ -299,10 +296,8 @@  asmlinkage void __init init_feature_override(u64 boot_status)
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
-		if (regs[i]->override) {
-			regs[i]->override->val  = 0;
-			regs[i]->override->mask = 0;
-		}
+		regs[i]->override->val  = 0;
+		regs[i]->override->mask = 0;
 	}
 
 	__boot_status = boot_status;
@@ -310,9 +305,8 @@  asmlinkage void __init init_feature_override(u64 boot_status)
 	parse_cmdline();
 
 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
-		if (regs[i]->override)
-			dcache_clean_inval_poc((unsigned long)regs[i]->override,
-					    (unsigned long)regs[i]->override +
-					    sizeof(*regs[i]->override));
+		dcache_clean_inval_poc((unsigned long)regs[i]->override,
+				       (unsigned long)regs[i]->override +
+				       sizeof(*regs[i]->override));
 	}
 }