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| author | Seung-Woo Kim <sw0312.kim@samsung.com> | 2023-10-06 19:04:06 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2023-10-06 19:04:22 +0900 |
| commit | d42faaa3ee0d046412273060995294f73b077fc6 (patch) | |
| tree | fc0e84e0ca17aec6b09c8aaffab32d3731acc49d | |
| parent | 08f25a8ce13ded477f699bb5018b3cfa08180da5 (diff) | |
| download | linux-starfive-d42faaa3ee0d046412273060995294f73b077fc6.tar.gz linux-starfive-d42faaa3ee0d046412273060995294f73b077fc6.tar.bz2 linux-starfive-d42faaa3ee0d046412273060995294f73b077fc6.zip | |
media: chips-media: wave511: Fix null deference in wave5_vpu_dec_clr_disp_flag()accepted/tizen/unified/riscv/20231013.094029
If wave5_vpu_dec_open() is not called before calling
wave5_vpu_dec_clr_disp_flag(), there is null deference. Fix the
null deference by checking codec_info.
Change-Id: I1a4d9a75681df293e1f67dd4338c6f770d789223
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
| -rw-r--r-- | drivers/media/platform/chips-media/wave5/wave5-vpuapi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c index 5a0078a0d174..4e38a4d713e9 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.c @@ -625,10 +625,14 @@ err_out: int wave5_vpu_dec_clr_disp_flag(struct vpu_instance *inst, int index) { - struct dec_info *p_dec_info = &inst->codec_info->dec_info; + struct dec_info *p_dec_info; int ret = 0; struct vpu_device *vpu_dev = inst->dev; + if (!inst->codec_info) + return -EINVAL; + + p_dec_info = &inst->codec_info->dec_info; if (index >= p_dec_info->num_of_display_fbs) return -EINVAL; |