Fixes scripts/checkpatch.pl warning:
WARNING: Possible unnecessary 'out of memory' message
Remove it can help us save a bit of memory.
Also change the return error code from "-1" to "-ENOMEM".
Link: https://lore.kernel.org/r/20210610094605.16672-2-thunder.leizhen@huawei.com
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
                align_offset = (dma_addr_t)align - 1;
        mem_virt_alloc = dma_alloc_coherent(&pdev->dev, mem_size + align,
                                            &mem_dma_handle, GFP_KERNEL);
-       if (!mem_virt_alloc) {
-               pr_err("pm80xx: memory allocation error\n");
-               return -1;
-       }
+       if (!mem_virt_alloc)
+               return -ENOMEM;
        *pphys_addr = mem_dma_handle;
        phys_align = (*pphys_addr + align_offset) & ~align_offset;
        *virt_addr = (void *)mem_virt_alloc + phys_align - *pphys_addr;