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authorDavid Wang <00107082@163.com>2024-11-20 13:30:55 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-11-22 15:31:35 +0100
commitacfeb6defcb9310b1ff44db1e633798ba766337d (patch)
treeaae532b7933945de4d4d8b045e75627fa5876234 /drivers/gpio/gpio-mlxbf2.c
parente7240bd91f96f925a3bb8d2b9348fcb1db457b10 (diff)
Fix a potential abuse of seq_printf() format string in drivers
Using device name as format string of seq_printf() is proned to "Format string attack", opens possibility for exploitation. Seq_puts() is safer and more efficient. Signed-off-by: David Wang <00107082@163.com> Reviewed-by: Kees Cook <kees@kernel.org> Link: https://lore.kernel.org/r/20241120053055.225195-1-00107082@163.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio/gpio-mlxbf2.c')
-rw-r--r--drivers/gpio/gpio-mlxbf2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c
index 6abe01bc39c3..6f3dda6b635f 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -331,7 +331,7 @@ static void mlxbf2_gpio_irq_print_chip(struct irq_data *irqd,
struct gpio_chip *gc = irq_data_get_irq_chip_data(irqd);
struct mlxbf2_gpio_context *gs = gpiochip_get_data(gc);
- seq_printf(p, dev_name(gs->dev));
+ seq_puts(p, dev_name(gs->dev));
}
static const struct irq_chip mlxbf2_gpio_irq_chip = {