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| author | Phil Sutter <phil.sutter@viprinet.com> | 2013-02-21 18:21:56 +0100 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2013-02-22 19:59:53 -0600 |
| commit | a1eac57a2001ecf86a46f520cd85ef8e9c8b3687 (patch) | |
| tree | 1064af3d3d74305468904b6a1a00969c941fe8f3 | |
| parent | b76a147b722565bde046f707a5cc92df8ea29738 (diff) | |
| download | u-boot-imx-a1eac57a2001ecf86a46f520cd85ef8e9c8b3687.zip u-boot-imx-a1eac57a2001ecf86a46f520cd85ef8e9c8b3687.tar.gz u-boot-imx-a1eac57a2001ecf86a46f520cd85ef8e9c8b3687.tar.bz2 | |
common/env_nand.c: calculate crc only when readenv was OK
Calculating the checksum of incompletely read data is useless.
Signed-off-by: Phil Sutter <phil.sutter@viprinet.com>
[scottwood@freescale.com: minor formatting fix]
Signed-off-by: Scott Wood <scottwood@freescale.com>
| -rw-r--r-- | common/env_nand.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/common/env_nand.c b/common/env_nand.c index 382e8ae..5b69889 100644 --- a/common/env_nand.c +++ b/common/env_nand.c @@ -352,8 +352,10 @@ void env_relocate_spec(void) puts("*** Warning - some problems detected " "reading environment; recovered successfully\n"); - crc1_ok = crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc; - crc2_ok = crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc; + crc1_ok = !read1_fail && + (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc); + crc2_ok = !read2_fail && + (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc); if (!crc1_ok && !crc2_ok) { set_default_env("!bad CRC"); |