* [PATCH] powerpc/pseries: Simplify attribute description check in papr_init()
@ 2026-06-26 11:07 Thorsten Blum
0 siblings, 0 replies; only message in thread
From: Thorsten Blum @ 2026-06-26 11:07 UTC (permalink / raw)
To: Madhavan Srinivasan, Michael Ellerman, Nicholas Piggin,
Christophe Leroy (CS GROUP), Kees Cook
Cc: Thorsten Blum, linuxppc-dev, linux-kernel
Check only the first byte instead of scanning the entire string with
strnlen().
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
arch/powerpc/platforms/pseries/papr_platform_attributes.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/papr_platform_attributes.c b/arch/powerpc/platforms/pseries/papr_platform_attributes.c
index c6159870de0e..ff8adda02341 100644
--- a/arch/powerpc/platforms/pseries/papr_platform_attributes.c
+++ b/arch/powerpc/platforms/pseries/papr_platform_attributes.c
@@ -325,12 +325,8 @@ static int __init papr_init(void)
}
for (idx = 0; idx < num_attrs; idx++) {
- bool show_val_desc = true;
-
/* Do not add the value desc attr if it does not exist */
- if (strnlen(esi_attrs[idx].value_desc,
- sizeof(esi_attrs[idx].value_desc)) == 0)
- show_val_desc = false;
+ bool show_val_desc = *esi_attrs[idx].value_desc != '\0';
if (add_attr_group(be64_to_cpu(esi_attrs[idx].id),
&papr_groups[idx],
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2026-06-26 11:07 [PATCH] powerpc/pseries: Simplify attribute description check in papr_init() Thorsten Blum
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