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authorEdward O'Callaghan <quasisec@google.com>2022-11-12 12:08:01 +1100
committerEdward O'Callaghan <quasisec@chromium.org>2022-12-12 12:40:26 +0000
commitd1212796abc68ff480ff862d1a09ec3a1942fe97 (patch)
tree4c1a879e62bc06d7dc4542bb68231aabba2697cd /flashrom.c
parent1e01eefcba573c436d55b863c7972b3029564215 (diff)
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flashrom.c: Position heap alloc along side check in compare_range()
Change-Id: I0386ac4c09a541cb9a659b2410ce49c3292ecc6e Signed-off-by: Edward O'Callaghan <quasisec@google.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/69473 Reviewed-by: Felix Singer <felixsinger@posteo.net> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Alexander Goncharov <chat@joursoir.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'flashrom.c')
-rw-r--r--flashrom.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/flashrom.c b/flashrom.c
index 3e75eb353..18c486438 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -471,15 +471,16 @@ static int compare_range(const uint8_t *wantbuf, const uint8_t *havebuf, unsigne
static int check_erased_range(struct flashctx *flash, unsigned int start, unsigned int len)
{
int ret;
- uint8_t *cmpbuf = malloc(len);
const uint8_t erased_value = ERASED_VALUE(flash);
+ uint8_t *cmpbuf = malloc(len);
if (!cmpbuf) {
msg_gerr("Out of memory!\n");
return -1;
}
memset(cmpbuf, erased_value, len);
ret = verify_range(flash, cmpbuf, start, len);
+
free(cmpbuf);
return ret;
}