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um: vector: Fix memory leak in vector_config

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[ Upstream commit 8f88c73afe ]

If the return value of the uml_parse_vector_ifspec function is NULL,
we should call kfree(params) to prevent memory leak.

Fixes: 49da7e64f3 ("High Performance UML Vector Network Driver")
Signed-off-by: Xiang Yang <xiangyang3@huawei.com>
Acked-By: Anton Ivanov <anton.ivanov@kot-begemot.co.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiang Yang 2022-11-15 15:32:25 +08:00 • committed by Justin Hammond
parent 134f4aaee6
commit 8ed5d49457
1 changed files with 1 additions and 0 deletions
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arch/um/drivers/vector_kern.c
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@ -770,6 +770,7 @@ static int vector_config(char *str, char **error_out)
if (parsed == NULL) {
*error_out = "vector_config failed to parse parameters";
kfree(params);
return -EINVAL;
}