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Miaoqian Lin 585dbb5cdb net: phy: mediatek: fix nvmem cell reference leak in mt798x_phy_calibration
[ Upstream commit 1e5a541420 ]

When nvmem_cell_read() fails in mt798x_phy_calibration(), the function
returns without calling nvmem_cell_put(), leaking the cell reference.

Move nvmem_cell_put() right after nvmem_cell_read() to ensure the cell
reference is always released regardless of the read result.

Found via static analysis and code review.

Fixes: 98c485eaf5 ("net: phy: add driver for MediaTek SoC built-in GE PHYs")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251211081313.2368460-1-linmq006@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-11 15:25:20 +01:00
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