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aspeed/hace: Initialize g_autofree pointer

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As mentioned in docs/devel/style.rst "Automatic memory deallocation":

* Variables declared with g_auto* MUST always be initialized,
  otherwise the cleanup function will use uninitialized stack memory

This avoids QEMU to coredump when running the "hash test" command
under Zephyr.

Cc: Steven Lee <steven_lee@aspeedtech.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: qemu-stable@nongnu.org
Fixes: c5475b3f9a ("hw: Model ASPEED's Hash and Crypto Engine")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-Id: <20230421131547.2177449-1-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
(cherry picked from commit c8f48b120b31f6bbe33135ef5d478e485c37e3c2)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Cédric Le Goater 2023-06-07 06:39:32 +02:00 committed by Michael Tokarev
parent 4fc28bf08a
commit 23315ad0b8
1 changed files with 1 additions and 1 deletions
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hw/misc/aspeed_hace.c
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@ -189,7 +189,7 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode,
bool acc_mode) bool acc_mode)
{ {
struct iovec iov[ASPEED_HACE_MAX_SG]; struct iovec iov[ASPEED_HACE_MAX_SG];
g_autofree uint8_t *digest_buf; g_autofree uint8_t *digest_buf = NULL;
size_t digest_len = 0; size_t digest_len = 0;
int niov = 0; int niov = 0;
int i; int i;