Fix failure to reimport exported checksummed, size constrained data block.

'env export -c' command ignores optional -s size argument when calculating checksum causing subsequent 'env import -c' to fail.

Signed-off-by: Neil Stainton <nstainton at asl-control.co.uk>

--- cmd/nvedit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/nvedit.c b/cmd/nvedit.c index ddc888a..600c38b 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -984,7 +984,8 @@ NXTARG: ; }

if (chk) { - envp->crc = crc32(0, envp->data, ENV_SIZE); + envp->crc = crc32(0, envp->data, + size ? size - offsetof(env_t, data) : ENV_SIZE); #ifdef CONFIG_ENV_ADDR_REDUND envp->flags = ACTIVE_FLAG; #endif -- 2.7.4