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authorMing Qian <ming.qian@nxp.com>2023-07-18 11:50:09 +0200
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2023-07-25 09:31:49 +0200
commitb237b058adbc7825da9c8f358f1ff3f0467d623a (patch)
tree5ae84e252c3cf64e27e69793a1731ee552959432 /drivers/media/platform/amphion
parentmedia: rkvdec: increase max supported height for H.264 (diff)
downloadlinux-b237b058adbc7825da9c8f358f1ff3f0467d623a.tar.xz
linux-b237b058adbc7825da9c8f358f1ff3f0467d623a.zip
media: amphion: fix CHECKED_RETURN issues reported by coverity
calling "vpu_cmd_send/vpu_get_buffer_state/vpu_session_alloc_fs" without checking return value Fixes: 9f599f351e86 ("media: amphion: add vpu core driver") Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Ming Qian <ming.qian@nxp.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/platform/amphion')
-rw-r--r--drivers/media/platform/amphion/vdec.c5
-rw-r--r--drivers/media/platform/amphion/vpu_cmds.c3
-rw-r--r--drivers/media/platform/amphion/vpu_dbg.c11
3 files changed, 15 insertions, 4 deletions
diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c
index eeb2ef72df5b..133d77d1ea0c 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -1019,6 +1019,7 @@ static int vdec_response_frame_abnormal(struct vpu_inst *inst)
{
struct vdec_t *vdec = inst->priv;
struct vpu_fs_info info;
+ int ret;
if (!vdec->req_frame_count)
return 0;
@@ -1026,7 +1027,9 @@ static int vdec_response_frame_abnormal(struct vpu_inst *inst)
memset(&info, 0, sizeof(info));
info.type = MEM_RES_FRAME;
info.tag = vdec->seq_tag + 0xf0;
- vpu_session_alloc_fs(inst, &info);
+ ret = vpu_session_alloc_fs(inst, &info);
+ if (ret)
+ return ret;
vdec->req_frame_count--;
return 0;
diff --git a/drivers/media/platform/amphion/vpu_cmds.c b/drivers/media/platform/amphion/vpu_cmds.c
index bc4e732cdd9d..ef8c0eaaf66a 100644
--- a/drivers/media/platform/amphion/vpu_cmds.c
+++ b/drivers/media/platform/amphion/vpu_cmds.c
@@ -304,7 +304,8 @@ static void vpu_core_keep_active(struct vpu_core *core)
dev_dbg(core->dev, "try to wake up\n");
mutex_lock(&core->cmd_lock);
- vpu_cmd_send(core, &pkt);
+ if (vpu_cmd_send(core, &pkt))
+ dev_err(core->dev, "fail to keep active\n");
mutex_unlock(&core->cmd_lock);
}
diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platform/amphion/vpu_dbg.c
index adc523b95061..982c2c777484 100644
--- a/drivers/media/platform/amphion/vpu_dbg.c
+++ b/drivers/media/platform/amphion/vpu_dbg.c
@@ -50,6 +50,13 @@ static char *vpu_stat_name[] = {
[VPU_BUF_STATE_ERROR] = "error",
};
+static inline const char *to_vpu_stat_name(int state)
+{
+ if (state <= VPU_BUF_STATE_ERROR)
+ return vpu_stat_name[state];
+ return "unknown";
+}
+
static int vpu_dbg_instance(struct seq_file *s, void *data)
{
struct vpu_inst *inst = s->private;
@@ -141,7 +148,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *data)
num = scnprintf(str, sizeof(str),
"output [%2d] state = %10s, %8s\n",
i, vb2_stat_name[vb->state],
- vpu_stat_name[vpu_get_buffer_state(vbuf)]);
+ to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
if (seq_write(s, str, num))
return 0;
}
@@ -156,7 +163,7 @@ static int vpu_dbg_instance(struct seq_file *s, void *data)
num = scnprintf(str, sizeof(str),
"capture[%2d] state = %10s, %8s\n",
i, vb2_stat_name[vb->state],
- vpu_stat_name[vpu_get_buffer_state(vbuf)]);
+ to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
if (seq_write(s, str, num))
return 0;
}