linux-kernel - [PATCH 11/14] staging: gasket: ioctl common: convert various logs to debug level

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Date:   Sat, 21 Jul 2018 05:57:01 -0700
From:   Todd Poynor <toddpoynor@...il.com>
To:     Rob Springer <rspringer@...gle.com>,
        John Joseph <jnjoseph@...gle.com>,
        Ben Chan <benchan@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Zhongze Hu <frankhu@...omium.org>,
        Dmitry Torokhov <dtor@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Todd Poynor <toddpoynor@...gle.com>
Subject: [PATCH 11/14] staging: gasket: ioctl common: convert various logs to debug level

From: Todd Poynor <toddpoynor@...gle.com>

Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@...omium.org>
Signed-off-by: Todd Poynor <toddpoynor@...gle.com>
---
 drivers/staging/gasket/gasket_core.c  | 2 +-
 drivers/staging/gasket/gasket_ioctl.c | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 1d04fd0990e45..732218773c3c6 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -1801,7 +1801,7 @@ static long gasket_ioctl(struct file *filp, uint cmd, ulong arg)
 		if (driver_desc->ioctl_handler_cb)
 			return driver_desc->ioctl_handler_cb(filp, cmd, argp);
 
-		gasket_log_error(
+		gasket_log_debug(
 			gasket_dev, "Received unknown ioctl 0x%x", cmd);
 		return -EINVAL;
 	}
diff --git a/drivers/staging/gasket/gasket_ioctl.c b/drivers/staging/gasket/gasket_ioctl.c
index 8cf094b90cdb0..63e139ab7ff89 100644
--- a/drivers/staging/gasket/gasket_ioctl.c
+++ b/drivers/staging/gasket/gasket_ioctl.c
@@ -73,7 +73,7 @@ long gasket_handle_ioctl(struct file *filp, uint cmd, void __user *argp)
 		}
 	} else if (!gasket_ioctl_check_permissions(filp, cmd)) {
 		trace_gasket_ioctl_exit(-EPERM);
-		gasket_log_error(gasket_dev, "ioctl cmd=%x noperm.", cmd);
+		gasket_log_debug(gasket_dev, "ioctl cmd=%x noperm.", cmd);
 		return -EPERM;
 	}
 
@@ -132,7 +132,7 @@ long gasket_handle_ioctl(struct file *filp, uint cmd, void __user *argp)
 		 * the arg.
 		 */
 		trace_gasket_ioctl_integer_data(arg);
-		gasket_log_warn(
+		gasket_log_debug(
 			gasket_dev,
 			"Unknown ioctl cmd=0x%x not caught by "
 			"gasket_is_supported_ioctl",
@@ -329,7 +329,7 @@ static int gasket_partition_page_table(
 		gasket_dev->page_table[ibuf.page_table_index]);
 
 	if (ibuf.size > max_page_table_size) {
-		gasket_log_error(
+		gasket_log_debug(
 			gasket_dev,
 			"Partition request 0x%llx too large, max is 0x%x.",
 			ibuf.size, max_page_table_size);
-- 
2.18.0.233.g985f88cf7e-goog