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| author | Tom Rini <trini@ti.com> | 2013-04-05 14:55:21 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-04-05 14:55:21 -0400 |
| commit | cd0f4fa1ca2901312ae78bc27d4edc8286fcbf1d (patch) | |
| tree | 244e08cd2c8702c9c6c5854eece41377716dbd31 /common/env_onenand.c | |
| parent | bc5fd908d976cfd898e8cbb591e7220ddc8a684a (diff) | |
| download | blackbird-obmc-uboot-cd0f4fa1ca2901312ae78bc27d4edc8286fcbf1d.tar.gz blackbird-obmc-uboot-cd0f4fa1ca2901312ae78bc27d4edc8286fcbf1d.zip | |
Revert "env: fix potential stack overflow in environment functions"
Wolfgang requested this be reverted and Rob agreed after further
discussion. This was a symptom of a larger problem we need to deal
with.
This reverts commit 60d7d5a63189c9f77a190c9965861dc15482c2d0.
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'common/env_onenand.c')
| -rw-r--r-- | common/env_onenand.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/common/env_onenand.c b/common/env_onenand.c index 6fd5613eeb..faa903d2f0 100644 --- a/common/env_onenand.c +++ b/common/env_onenand.c @@ -42,8 +42,6 @@ char *env_name_spec = "OneNAND"; #define ONENAND_MAX_ENV_SIZE CONFIG_ENV_SIZE #define ONENAND_ENV_SIZE(mtd) (ONENAND_MAX_ENV_SIZE - ENV_HEADER_SIZE) -static char env_buf[CONFIG_ENV_SIZE]; - DECLARE_GLOBAL_DATA_PTR; void env_relocate_spec(void) @@ -58,7 +56,8 @@ void env_relocate_spec(void) char *buf = (char *)&environment; #else loff_t env_addr = CONFIG_ENV_ADDR; - char *buf = env_buf; + char onenand_env[ONENAND_MAX_ENV_SIZE]; + char *buf = (char *)&onenand_env[0]; #endif /* ENV_IS_EMBEDDED */ #ifndef ENV_IS_EMBEDDED @@ -82,7 +81,7 @@ void env_relocate_spec(void) int saveenv(void) { - env_t *env_new = env_buf; + env_t env_new; ssize_t len; char *res; struct mtd_info *mtd = &onenand_mtd; @@ -95,13 +94,13 @@ int saveenv(void) .callback = NULL, }; - res = (char *)env_new->data; + res = (char *)&env_new.data; len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL); if (len < 0) { error("Cannot export environment: errno = %d\n", errno); return 1; } - env_new->crc = crc32(0, env_new->data, ENV_SIZE); + env_new.crc = crc32(0, env_new.data, ENV_SIZE); instr.len = CONFIG_ENV_SIZE; #ifdef CONFIG_ENV_ADDR_FLEX @@ -120,7 +119,7 @@ int saveenv(void) } if (mtd->write(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen, - (u_char *)env_new)) { + (u_char *)&env_new)) { printf("OneNAND: write failed at 0x%llx\n", instr.addr); return 2; } |
