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shmem_pwrite() currently checks for short writes before negative error codes, which can overwrite real errors (e.g., -EFBIG) with -EIO. Reorder the checks to return negative errors first, then handle short writes. Signed-off-by: Taotao Chen <chentaotao@didiglobal.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://lore.kernel.org/r/20250822030651.28099-2-chentaotao@didiglobal.com