[PATCH] mtd: use correct format specifier

[PATCH] mtd: use correct format specifier

[Jan Luebbe]

For the size_t type the format specifier %zu or %zx must be used.
See Documentation/printk-formats.txt in the kernel for details.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
---
 drivers/mtd/core.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c
index a6132e8..68ab70d 100644
--- a/drivers/mtd/core.c
+++ b/drivers/mtd/core.c
@@ -79,7 +79,7 @@ static ssize_t mtd_write(struct cdev* cdev, const void *buf, size_t _count,
 		return -EINVAL;
 	}
 
-	dev_dbg(cdev->dev, "write: 0x%08lx 0x%08lx\n", offset, count);
+	dev_dbg(cdev->dev, "write: offset: 0x%08lx count: 0x%zx\n", offset, count);
 	while (count) {
 		now = count > mtd->writesize ? mtd->writesize : count;
 
@@ -100,7 +100,7 @@ static ssize_t mtd_write(struct cdev* cdev, const void *buf, size_t _count,
 				ret = mtd->write(mtd, offset, now, &retlen,
 						  buf);
 			dev_dbg(cdev->dev,
-				"offset: 0x%08lx now: 0x%08lx retlen: 0x%08lx\n",
+				"offset: 0x%08lx now: 0x%zx retlen: 0x%zx\n",
 				offset, now, retlen);
 		}
 		if (ret)
-- 
1.7.10.4


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Re: [PATCH] mtd: use correct format specifier

[Jean-Christophe PLAGNIOL-VILLARD]

On 10:31 Fri 07 Sep     , Jan Luebbe wrote:
> For the size_t type the format specifier %zu or %zx must be used.
> See Documentation/printk-formats.txt in the kernel for details.
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

can you fix 

/opt/work/barebox/drivers/mtd/mtdraw.c: In function 'mtdraw_read':
/opt/work/barebox/drivers/mtd/mtdraw.c:140:3: warning: format '%lu' expects
type 'long unsigned int', but argument 2 has type 'ssize_t'

too

Best Regards,
J.

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