[PATCH v1 4/5] efi/esrt: Drop duplicate check for size parameter of memremap()

[Andy Shevchenko]

Since memremap() returns NULL pointer for size = 0, there is no need
to duplicate this check in the callers.

Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/firmware/efi/esrt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
index 2762e0662bf4..dce56a4c4011 100644
--- a/drivers/firmware/efi/esrt.c
+++ b/drivers/firmware/efi/esrt.c
@@ -381,7 +381,7 @@ static int __init esrt_sysfs_init(void)
 	int error;
 
 	pr_debug("esrt-sysfs: loading.\n");
-	if (!esrt_data || !esrt_data_size)
+	if (!esrt_data)
 		return -ENOSYS;
 
 	esrt = memremap(esrt_data, esrt_data_size, MEMREMAP_WB);
-- 
2.24.0