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ata: sata_gemini: Check clk_enable() result

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[ Upstream commit e85006ae7430aef780cc4f0849692e266a102ec0 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chen Ni 2024-04-03 04:33:49 +00:00 committed by Greg Kroah-Hartman
parent 9c08b9a943
commit 337f84a0ef
1 changed files with 4 additions and 1 deletions
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5
drivers/ata/sata_gemini.c
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@ -201,7 +201,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge)
pclk = sg->sata0_pclk; pclk = sg->sata0_pclk;
else else
pclk = sg->sata1_pclk; pclk = sg->sata1_pclk;
clk_enable(pclk); ret = clk_enable(pclk);
if (ret)
return ret;
msleep(10); msleep(10);
/* Do not keep clocking a bridge that is not online */ /* Do not keep clocking a bridge that is not online */