* [PATCH] media: visl: check if ctx->tpg_str_buf allocation failed
@ 2026-05-12 6:46 Hans Verkuil
0 siblings, 0 replies; only message in thread
From: Hans Verkuil @ 2026-05-12 6:46 UTC (permalink / raw)
To: Linux Media Mailing List
The result of ctx->tpg_str_buf = kzalloc(TPG_STR_BUF_SZ, GFP_KERNEL); was
never checked. Add this.
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
---
diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c
index 127ab18bce99..5e9bdd425d4a 100644
--- a/drivers/media/test-drivers/visl/visl-core.c
+++ b/drivers/media/test-drivers/visl/visl-core.c
@@ -339,6 +339,10 @@ static int visl_open(struct file *file)
}
ctx->tpg_str_buf = kzalloc(TPG_STR_BUF_SZ, GFP_KERNEL);
+ if (!ctx->tpg_str_buf) {
+ rc = -ENOMEM;
+ goto free_ctx;
+ }
v4l2_fh_init(&ctx->fh, video_devdata(file));
ctx->dev = dev;
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2026-05-12 6:46 [PATCH] media: visl: check if ctx->tpg_str_buf allocation failed Hans Verkuil
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