From: Chen Ni <nichen@iscas.ac.cn>
Date: Wed, 3 Apr 2024 04:33:49 +0000 (+0000)
Subject: ata: sata_gemini: Check clk_enable() result
X-Git-Tag: v6.9-rc4-pxa1908~93^2
X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=e85006ae7430aef780cc4f0849692e266a102ec0;p=linux.git

ata: sata_gemini: Check clk_enable() result

The call to clk_enable() in gemini_sata_start_bridge() can fail.
Add a check to detect such failure.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
---

diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c
index 400b22ee99c3..4c270999ba3c 100644
--- a/drivers/ata/sata_gemini.c
+++ b/drivers/ata/sata_gemini.c
@@ -200,7 +200,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge)
 		pclk = sg->sata0_pclk;
 	else
 		pclk = sg->sata1_pclk;
-	clk_enable(pclk);
+	ret = clk_enable(pclk);
+	if (ret)
+		return ret;
+
 	msleep(10);
 
 	/* Do not keep clocking a bridge that is not online */