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Subject: media: atomisp: fix "variable dereferenced before check 'asd'" Author: Tsuchiya Yuto <[email protected]> Date: Wed Dec 1 15:19:04 2021 +0100 There are two occurrences where the variable 'asd' is dereferenced before check. Fix this issue by using the variable after the check. Link: https://lore.kernel.org/linux-media/20211122074122.GA6581@kili/ Link: https://lore.kernel.org/linux-media/[email protected] Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Tsuchiya Yuto <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/atomisp/pci/atomisp_cmd.c | 3 ++- drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) --- diff --git a/drivers/staging/media/atomisp/pci/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp_cmd.c index 5a90cc31cd1a..97d5a528969b 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_cmd.c +++ b/drivers/staging/media/atomisp/pci/atomisp_cmd.c @@ -5185,7 +5185,7 @@ static int atomisp_set_fmt_to_isp(struct video_device *vdev, int (*configure_pp_input)(struct atomisp_sub_device *asd, unsigned int width, unsigned int height) = configure_pp_input_nop; - u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad); + u16 stream_index; const struct atomisp_in_fmt_conv *fc; int ret, i; @@ -5194,6 +5194,7 @@ static int atomisp_set_fmt_to_isp(struct video_device *vdev, __func__, vdev->name); return -EINVAL; } + stream_index = atomisp_source_pad_to_stream_id(asd, source_pad); v4l2_fh_init(&fh.vfh, vdev); diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index 562789c75299..8fd470efd658 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -1182,7 +1182,7 @@ int __atomisp_reqbufs(struct file *file, void *fh, struct ia_css_frame *frame; struct videobuf_vmalloc_memory *vm_mem; u16 source_pad = atomisp_subdev_source_pad(vdev); - u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad); + u16 stream_id; int ret = 0, i = 0; if (!asd) { @@ -1190,6 +1190,7 @@ int __atomisp_reqbufs(struct file *file, void *fh, __func__, vdev->name); return -EINVAL; } + stream_id = atomisp_source_pad_to_stream_id(asd, source_pad); if (req->count == 0) { mutex_lock(&pipe->capq.vb_lock); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
