4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Colin Ian King <colin.king@xxxxxxxxxxxxx> commit 531beb067c6185aceabfdee0965234c6a8fd133b upstream. sg_table is being initialized and is never read before it is updated again later on, hence making the initialization redundant. Remove the initialization. Detected by clang scan-build: "warning: Value stored to 'sg_table' during its initialization is never read" Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx> Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20170914230516.6056-1-colin.king@xxxxxxxxxxxxx Cc: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/dma-buf/dma-buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -551,7 +551,7 @@ EXPORT_SYMBOL_GPL(dma_buf_detach); struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach, enum dma_data_direction direction) { - struct sg_table *sg_table = ERR_PTR(-EINVAL); + struct sg_table *sg_table; might_sleep();
