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-rw-r--r--drivers/mtd/spi-nor/spi-nor.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index a63922ed6385..14cf6ac8c0a5 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -661,7 +661,7 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
status_new = (status_old & ~mask & ~SR_TB) | val;
/* Don't protect status register if we're fully unlocked */
- if (lock_len == mtd->size)
+ if (lock_len == 0)
status_new &= ~SR_SRWD;
if (!use_top)