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e5c1e63c93
bcm2835_add_host() invokes IS_ERR_OR_NULL() on a DMA channel pointer, however dma_request_slave_channel() (which was used to populate the pointer) never returns an error pointer. So a NULL pointer check is sufficient. Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Lukas Wunner <lukas@wunner.de> Cc: Frank Pavlic <f.pavlic@kunbus.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>