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Diffstat (limited to 'drivers/mtd/devices/m25p80.c')
-rw-r--r--drivers/mtd/devices/m25p80.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 45108ed..d5f2408 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -378,7 +378,9 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len,
spi_sync(flash->spi, &m);
- *retlen += m.actual_length - sizeof(flash->command);
+ if (retlen)
+ *retlen += m.actual_length
+ - sizeof(flash->command);
}
}
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