From: Hans Verkuil <hverkuil+cisco@kernel.org>
Date: Tue, 12 May 2026 06:46:15 +0000 (+0200)
Subject: media: visl: check if ctx->tpg_str_buf allocation failed
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=813dacdda8f2e05b1309a4942e91531333b296ed;p=thirdparty%2Fkernel%2Flinux.git

media: visl: check if ctx->tpg_str_buf allocation failed

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 127ab18bce99f..5e9bdd425d4a3 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;