tree 2ce9e7d22d7eadde22060ef8a03beaa8bffbe049
parent 38e0f746c456b2f7d64b37aef3b6bd9ad73508c0
author Takashi Iwai <tiwai@suse.de> 1584264902 +0100
committer David S. Miller <davem@davemloft.net> 1584317182 -0700

net: sfc: Use scnprintf() for avoiding potential buffer overflow

Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit.  Fix it by replacing with scnprintf().

Cc: "David S . Miller" <davem@davemloft.net>
Cc: Edward Cree <ecree@solarflare.com>
Cc: Martin Habets <mhabets@solarflare.com>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>