From: Geert Uytterhoeven Date: Thu, 21 Sep 2017 11:27:02 +0000 (+0200) Subject: net: phy: Fix truncation of large IRQ numbers in phy_attached_print() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=059fbe8b5171960bd5c2371bb327ac18733773de;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net: phy: Fix truncation of large IRQ numbers in phy_attached_print() Given NR_IRQS is 2048 on sparc64, and even 32784 on alpha, 3 digits is not enough to represent interrupt numbers on all architectures. Hence PHY interrupt numbers may be truncated during printing. Increase the buffer size from 4 to 8 bytes to fix this. Fixes: 5e369aefdce4818c ("net: stmmac: Delete dead code for MDIO registration") Signed-off-by: Geert Uytterhoeven Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 8cf0c5901f95..67f25ac29025 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -879,7 +879,7 @@ void phy_attached_print(struct phy_device *phydev, const char *fmt, ...) { const char *drv_name = phydev->drv ? phydev->drv->name : "unbound"; char *irq_str; - char irq_num[4]; + char irq_num[8]; switch(phydev->irq) { case PHY_POLL: