commit b6cc44d782a5c86fcca163cf6ffc80ecff5a514c
author Marek Behún <marek.behun@nic.cz> Tue Oct 05 15:56:02 2021 +0200
committer Jagan Teki <jagan@amarulasolutions.com> Sat Oct 23 15:47:33 2021 +0530
tree d8c2c0b05a9f8d16980bb2c41b751a1e3078636d
parent 375027a61311048fde899c2e840989041b08b662

mtd: spi-nor-core: Don't check for zero length in spi_nor_write() / spi_nor_erase()

This check is already done in all callers: mtdcore's mtd_write() /
mtd_erase(), legacy spi_nor_write() / spi_flash_erase(). No reason to do
this here as well.

Signed-off-by: Marek Behún <marek.behun@nic.cz>

drivers/mtd/spi/spi-nor-core.c

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 30c54cd..751172d 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -914,9 +914,6 @@
 	dev_dbg(nor->dev, "at 0x%llx, len %lld\n", (long long)instr->addr,
 		(long long)instr->len);
 
-	if (!instr->len)
-		return 0;
-
 	div_u64_rem(instr->len, mtd->erasesize, &rem);
 	if (rem)
 		return -EINVAL;
@@ -1671,9 +1668,6 @@
 
 	dev_dbg(nor->dev, "to 0x%08x, len %zd\n", (u32)to, len);
 
-	if (!len)
-		return 0;
-
 	for (i = 0; i < len; ) {
 		ssize_t written;
 		loff_t addr = to + i;