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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: Re: [PATCH net-next v2 1/5] eea: Drop temporary buffer by using %*pEhp directly Message-ID: Mail-Followup-To: Joe Damato , Andy Shevchenko , Andy Shevchenko , Xuan Zhuo , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Wen Gu , Philo Lu , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni References: <20261002100035.863275-1-andriy.shevchenko@linux.intel.com> <20261002100035.863275-2-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261002100035.863275-2-andriy.shevchenko@linux.intel.com> On Fri, Oct 02, 2026 at 11:59:19AM +0200, Andy Shevchenko wrote: > Instead of calling string_escape_str() followed by %s specifier, > use %*pEhp specifier directly. With this being done, drop temporary > buffer. > > Note, as Sashiko pointed out in [1] the %*pEp, which is the direct > substitution of the original call to string_escape_str() with ESCAPE_NP > flag set, makes the whole thing like "no escape". To add some sanity > to this the used specifier also includes ESCAPE_HEX. > > Link: https://lore.kernel.org/r/179089728102.434549.12368098081790653201@kernel.org [1] > Signed-off-by: Andy Shevchenko > --- > drivers/net/ethernet/alibaba/eea/eea_adminq.c | 11 ++--------- > 1 file changed, 2 insertions(+), 9 deletions(-) > > diff --git a/drivers/net/ethernet/alibaba/eea/eea_adminq.c b/drivers/net/ethernet/alibaba/eea/eea_adminq.c > index 73d0caf25700..f2284fc885c3 100644 > --- a/drivers/net/ethernet/alibaba/eea/eea_adminq.c > +++ b/drivers/net/ethernet/alibaba/eea/eea_adminq.c > @@ -522,16 +522,9 @@ void eea_adminq_config_host_info(struct eea_net *enet) > dev_warn(dev, "The hardware-driven state validation may be abnormal.\n"); > > if (rep->has_reply) { > - char buf[EEA_HINFO_MAX_REP_LEN] = {0}; > - > rep->reply_str[EEA_HINFO_MAX_REP_LEN - 1] = '\0'; > - > - string_escape_str(rep->reply_str, buf, sizeof(buf), > - ESCAPE_NP, NULL); > - > - buf[EEA_HINFO_MAX_REP_LEN - 1] = '\0'; > - > - dev_warn(dev, "Device replied: %s\n", buf); > + dev_warn(dev, "Device replied: %*pEhp\n", > + (int)strlen(rep->reply_str), rep->reply_str); i have no idea what this otuput could be but i suppose if you wanted to remove the terminator write above, you could do: strnlen(rep->reply_str, ....) instead, but that feels like a fairly useless nit so: Reviewed-by: Joe Damato