soc: qcom: llcc-slice: Add error checks for API functions

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llcc_slice_getd can return a ERR_PTR code on failure. Add a IS_ERR_OR_NULL
check to subsequent API calls that use struct llcc_slice_desc to guard
against faults and to let the leaf drivers get away with safely using a
ERR_PTR() encoded "pointer" in the aftermath of a llcc_slice_getd error.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

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Jordan Crouse 2018-10-05 18:38:29 +05:30 • committed by Andy Gross

parent 8c1919a2b4

commit e0f2cfeb59

1 changed files with 14 additions and 1 deletions

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drivers/soc/qcom/llcc-slice.c

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