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media: i2c: tvp5150: check return value of devm_kasprintf()

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[ Upstream commit 26ce7054d804be73935b9268d6e0ecf2fbbc8aef ]

devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: 0556f1d580d4 ("media: tvp5150: add input source selection of_graph support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Claudiu Beznea 2023-06-15 12:30:30 +02:00 committed by Greg Kroah-Hartman
parent 30d4380eb0
commit 711e9e44f6
1 changed files with 4 additions and 0 deletions
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4
drivers/media/i2c/tvp5150.c
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@ -2066,6 +2066,10 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",
v4l2c->name, v4l2c->label ?
v4l2c->label : "");
if (!tvpc->ent.name) {
ret = -ENOMEM;
goto err_free;
}
}
ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);