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SubjectRe: [PATCH 4/4] [media] s5p-mfc: Always check and set 'v4l2_pix_format:field' field
Hi Thibault,

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v4.10-rc7 next-20170209]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Thibault-Saunier/exynos-gsc-Use-576p-instead-720p-as-a-threshold-for-colorspaces/20170210-113658
base: git://linuxtv.org/media_tree.git master
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All error/warnings (new ones prefixed by >>):

In file included from drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:28:0:
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c: In function 'vidioc_try_fmt':
>> drivers/media/platform/s5p-mfc/s5p_mfc_debug.h:25:23: warning: comparison between pointer and integer
if (mfc_debug_level >= level) \
^
>> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:404:3: note: in expansion of macro 'mfc_debug'
mfc_debug("Not supported field order(%d)\n", pix_mp->field);
^~~~~~~~~
>> drivers/media/platform/s5p-mfc/s5p_mfc_debug.h:25:23: warning: comparison with string literal results in unspecified behavior [-Waddress]
if (mfc_debug_level >= level) \
^
>> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:404:3: note: in expansion of macro 'mfc_debug'
mfc_debug("Not supported field order(%d)\n", pix_mp->field);
^~~~~~~~~
>> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:404:48: error: expected ')' before 'pix_mp'
mfc_debug("Not supported field order(%d)\n", pix_mp->field);
^
drivers/media/platform/s5p-mfc/s5p_mfc_debug.h:26:32: note: in definition of macro 'mfc_debug'
printk(KERN_DEBUG "%s:%d: " fmt, \
^~~
In file included from include/linux/printk.h:6:0,
from include/linux/kernel.h:13,
from include/linux/clk.h:16,
from drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:14:
include/linux/kern_levels.h:4:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:14:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
drivers/media/platform/s5p-mfc/s5p_mfc_debug.h:26:11: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG "%s:%d: " fmt, \
^~~~~~~~~~
>> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:404:3: note: in expansion of macro 'mfc_debug'
mfc_debug("Not supported field order(%d)\n", pix_mp->field);
^~~~~~~~~
include/linux/kern_levels.h:4:18: warning: format '%d' expects a matching 'int' argument [-Wformat=]
#define KERN_SOH "\001" /* ASCII Start Of Header */
^
include/linux/kern_levels.h:14:20: note: in expansion of macro 'KERN_SOH'
#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
^~~~~~~~
drivers/media/platform/s5p-mfc/s5p_mfc_debug.h:26:11: note: in expansion of macro 'KERN_DEBUG'
printk(KERN_DEBUG "%s:%d: " fmt, \
^~~~~~~~~~
>> drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:404:3: note: in expansion of macro 'mfc_debug'
mfc_debug("Not supported field order(%d)\n", pix_mp->field);
^~~~~~~~~

vim +404 drivers/media/platform/s5p-mfc/s5p_mfc_dec.c

398 enum v4l2_field field;
399
400 field = f->fmt.pix.field;
401 if (field == V4L2_FIELD_ANY) {
402 field = V4L2_FIELD_NONE;
403 } else if (V4L2_FIELD_NONE != field) {
> 404 mfc_debug("Not supported field order(%d)\n", pix_mp->field);
405 return -EINVAL;
406 }
407

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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