[PATCH] powerpc: fsl_rio: Use snprintf() in fsl_rio_setup()
From: Thorsten Blum <thorsten.blum@linux.dev>
Date: 2026-06-30 14:55:29
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
While the current code works correctly, replace the unbounded sprintf() with the safer snprintf() in fsl_rio_setup() to follow secure coding best practices. Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> --- arch/powerpc/sysdev/fsl_rio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index eb55dabb4748..077c03cd93e4 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c@@ -612,7 +612,7 @@ static int fsl_rio_setup(struct platform_device *dev) kfree(port); continue; } - sprintf(port->name, "RIO mport %d", i); + snprintf(port->name, sizeof(port->name), "RIO mport %d", i); priv->dev = &dev->dev; port->dev.parent = &dev->dev;