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uboot-mtk-20250711: env: mtd: initialize saved_buf pointer

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When sect_size is greater than CONFIG_ENV_SIZE, this wild
pointer will cause CPU halt or system crash.

Fixes: 03fb08d4aef8 ("env: Introduce support for MTD")
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
This commit is contained in:
Shiji Yang
2025-07-24 07:50:40 +08:00
committed by hanwckf
parent be684fbca4
commit 6167e64b76
1 changed files with 1 additions and 1 deletions
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uboot-mtk-20250711/env/mtd.c vendored
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@@ -201,7 +201,7 @@ static int env_mtd_erase(void)
{
struct mtd_info *mtd_env;
u32 sect_size, sect_num;
char *saved_buf, *tmp;
char *saved_buf = NULL, *tmp;
struct erase_info ei;
size_t ret_len;
int remaining;