* [ragnatech:media-tree 442/456] drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_dev_init.cold.3()+0x4a: return with modified stack frame
@ 2018-05-29 11:37 kbuild test robot
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From: kbuild test robot @ 2018-05-29 11:37 UTC (permalink / raw)
To: Hans Verkuil; +Cc: kbuild-all, Mauro Carvalho Chehab, linux-media
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tree: git://git.ragnatech.se/linux media-tree
head: a00031c159748f322f771f3c1d5ed944cba4bd30
commit: eba09b5b3dfb1b79db4428b6f379f68db4b62056 [442/456] media: pvrusb2: replace pvr2_v4l2_ioctl by video_ioctl2
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-8 (Debian 8.1.0-3) 8.1.0
reproduce:
git checkout eba09b5b3dfb1b79db4428b6f379f68db4b62056
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_queryctrl()+0x365: sibling call from callable instruction with modified stack frame
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_dev_init()+0x29c: sibling call from callable instruction with modified stack frame
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_destroy_no_lock()+0xa2: sibling call from callable instruction with modified stack frame
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_release()+0xa7: sibling call from callable instruction with modified stack frame
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_open()+0x76: sibling call from callable instruction with modified stack frame
drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_create()+0x70: sibling call from callable instruction with modified stack frame
>> drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_dev_init.cold.3()+0x4a: return with modified stack frame
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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2018-05-29 11:37 [ragnatech:media-tree 442/456] drivers/media/usb/pvrusb2/pvrusb2-v4l2.o: warning: objtool: pvr2_v4l2_dev_init.cold.3()+0x4a: return with modified stack frame kbuild test robot
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