In function kexec_calculate_store_digests(), kfree() is used to free memory allocated by crypto_alloc_shash(). It is better to use function crypto_free_shash(), which also zeroizes the memory to be freed. Signed-off-by: Pan Bian <bianpan2016 at 163.com> --- kernel/kexec_file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 9f48f44..94eeb38 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -627,7 +627,7 @@ static int kexec_calculate_store_digests(struct kimage *image) out_free_desc: kfree(desc); out_free_tfm: - kfree(tfm); + crypto_free_shash(tfm); out: return ret; } -- 1.9.1
