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common/env_nand.c: calculate crc only when readenv was OK

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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>
This commit is contained in:
Phil Sutter
2013-02-21 18:21:56 +01:00
committed by Scott Wood
parent b76a147b72
commit a1eac57a20
1 changed files with 4 additions and 2 deletions
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6
common/env_nand.c
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@@ -352,8 +352,10 @@ void env_relocate_spec(void)
puts("*** Warning - some problems detected " puts("*** Warning - some problems detected "
"reading environment; recovered successfully\n"); "reading environment; recovered successfully\n");
crc1_ok = crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc; crc1_ok = !read1_fail &&
crc2_ok = crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc; (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) { if (!crc1_ok && !crc2_ok) {
set_default_env("!bad CRC"); set_default_env("!bad CRC");