From: Hans Verkuil <hans.verkuil@xxxxxxxxx> In file included from media-git/include/linux/bitmap.h:9, from media-git/include/linux/cpumask.h:12, from media-git/arch/x86/include/asm/cpumask.h:5, from media-git/arch/x86/include/asm/msr.h:11, from media-git/arch/x86/include/asm/processor.h:21, from media-git/arch/x86/include/asm/cpufeature.h:5, from media-git/arch/x86/include/asm/thread_info.h:53, from media-git/include/linux/thread_info.h:38, from media-git/arch/x86/include/asm/preempt.h:7, from media-git/include/linux/preempt.h:81, from media-git/include/linux/spinlock.h:51, from media-git/include/linux/seqlock.h:36, from media-git/include/linux/time.h:6, from media-git/include/linux/stat.h:19, from media-git/include/linux/module.h:10, from media-git/drivers/staging/media/zoran/zoran_driver.c:44: In function 'strncpy', inlined from 'zoran_querycap' at media-git/drivers/staging/media/zoran/zoran_driver.c:1512:2: media-git/include/linux/string.h:246:9: warning: '__builtin_strncpy' output may be truncated copying 31 bytes from a string of length 31 [-Wstringop-truncation] return __builtin_strncpy(p, q, size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> --- drivers/staging/media/zoran/zoran_driver.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/zoran/zoran_driver.c b/drivers/staging/media/zoran/zoran_driver.c index 14f9c0e26a1c..d2e13fffbc6b 100644 --- a/drivers/staging/media/zoran/zoran_driver.c +++ b/drivers/staging/media/zoran/zoran_driver.c @@ -1509,8 +1509,8 @@ static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability struct zoran_fh *fh = __fh; struct zoran *zr = fh->zr; - strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1); - strncpy(cap->driver, "zoran", sizeof(cap->driver)-1); + strlcpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)); + strlcpy(cap->driver, "zoran", sizeof(cap->driver)); snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", pci_name(zr->pci_dev)); cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE | -- 2.17.0