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From b6dbb07ddd641ddbcc038199ca97830c356eba5b Mon Sep 17 00:00:00 2001
From: Cai Huoqing <caihuoqing@baidu.com>
Date: Fri, 17 Sep 2021 12:22:10 +0800
Subject: video: fbdev: ssd1307fb: Make use of the helper function
 dev_err_probe()
Git-commit: a644da2ec57ac40a7f0763c099122bf189043c0b
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/video/fbdev/ssd1307fb.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 1e2f71c2f8a8..c6d5df31111d 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -658,9 +658,8 @@ static int ssd1307fb_probe(struct i2c_client *client)
 
 	par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(par->reset)) {
-		dev_err(dev, "failed to get reset gpio: %ld\n",
-			PTR_ERR(par->reset));
-		ret = PTR_ERR(par->reset);
+		ret = dev_err_probe(dev, PTR_ERR(par->reset),
+				    "failed to get reset gpio\n");
 		goto fb_alloc_error;
 	}
 
@@ -670,7 +669,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
 		if (ret == -ENODEV) {
 			par->vbat_reg = NULL;
 		} else {
-			dev_err(dev, "failed to get VBAT regulator: %d\n", ret);
+			dev_err_probe(dev, ret, "failed to get VBAT regulator\n");
 			goto fb_alloc_error;
 		}
 	}
-- 
2.38.1