Re: [PATCH] gspca: print small buffers via %*ph

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Hi,

Thanks! I've added these to my gspca tree for 3.13, and send a pull-request
with these for 3.13 to Mauro.

Regards,

Hans


On 09/03/2013 02:31 PM, Andy Shevchenko wrote:
Instead of passing each byte through stack let's use %*ph specifier to do this
job better.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
  drivers/media/usb/gspca/sonixb.c      |  5 +----
  drivers/media/usb/gspca/xirlink_cit.c | 12 ++++--------
  2 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c
index d7ff3b9..5e5613e 100644
--- a/drivers/media/usb/gspca/sonixb.c
+++ b/drivers/media/usb/gspca/sonixb.c
@@ -513,10 +513,7 @@ static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buf)
  		if (gspca_dev->usb_buf[0] & 0x04) {
  			if (gspca_dev->usb_buf[0] & 0x08) {
  				dev_err(gspca_dev->v4l2_dev.dev,
-					"i2c error writing %02x %02x %02x %02x"
-					" %02x %02x %02x %02x\n",
-					buf[0], buf[1], buf[2], buf[3],
-					buf[4], buf[5], buf[6], buf[7]);
+					"i2c error writing %8ph\n", buf);
  				gspca_dev->usb_err = -EIO;
  			}
  			return;
diff --git a/drivers/media/usb/gspca/xirlink_cit.c b/drivers/media/usb/gspca/xirlink_cit.c
index 7eaf64e..3beb351 100644
--- a/drivers/media/usb/gspca/xirlink_cit.c
+++ b/drivers/media/usb/gspca/xirlink_cit.c
@@ -2864,20 +2864,16 @@ static u8 *cit_find_sof(struct gspca_dev *gspca_dev, u8 *data, int len)
  				if (data[i] == 0xff) {
  					if (i >= 4)
  						PDEBUG(D_FRAM,
-						       "header found at offset: %d: %02x %02x 00 %02x %02x %02x\n",
+						       "header found at offset: %d: %02x %02x 00 %3ph\n",
  						       i - 1,
  						       data[i - 4],
  						       data[i - 3],
-						       data[i],
-						       data[i + 1],
-						       data[i + 2]);
+						       &data[i]);
  					else
  						PDEBUG(D_FRAM,
-						       "header found at offset: %d: 00 %02x %02x %02x\n",
+						       "header found at offset: %d: 00 %3ph\n",
  						       i - 1,
-						       data[i],
-						       data[i + 1],
-						       data[i + 2]);
+						       &data[i]);
  					return data + i + (sd->sof_len - 1);
  				}
  				break;

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