net: ethernet: ti: am65-cpsw: Handle -EPROBE_DEFER for Serdes PHY

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In the am65_cpsw_init_serdes_phy() function, the error handling for the
call to the devm_of_phy_get() function misses the case where the return
value of devm_of_phy_get() is ERR_PTR(-EPROBE_DEFER). Proceeding without
handling this case will result in a crash when the "phy" pointer with
this value is dereferenced by phy_init() in am65_cpsw_enable_phy().

Fix this by adding appropriate error handling code.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: dab2b265dd ("net: ethernet: ti: am65-cpsw: Add support for SERDES configuration")
Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230118112136.213061-1-s-vadapalli@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Siddharth Vadapalli 2023-01-18 16:51:36 +05:30 • committed by Jakub Kicinski

parent a76e88c294

commit 854617f52a

1 changed files with 2 additions and 0 deletions

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drivers/net/ethernet/ti/am65-cpsw-nuss.c

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