drm/panfrost: Check for error num after setting mask
Because of the possible failure of the dma_supported(), the dma_set_mask_and_coherent() may return error num. Therefore, it should be better to check it and return the error if fails. Fixes: f3ba9122 ("drm/panfrost: Add initial panfrost driver") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> [Steve: fix Fixes: line] Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220106030326.2620942-1-jiasheng@iscas.ac.cn
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