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tools: env: return error if ubi_update_start() fails

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The UBI_IOCVOLUP ioctl can fail if exclusive access to the volume isn't
obtained. If this happens, the flush operation doesn't return error,
leaving the caller without knowledge of missing flush.

Fix this by forwarding the error (-1) from ubi_update_start().

Fixes: 34255b92e6 ("tools: env: Add support for direct read/write UBI volumes")
Signed-off-by: Martin Hundebøll <martin@geanix.com>
This commit is contained in:
Martin Hundebøll 2020-11-30 12:11:32 +01:00 committed by Tom Rini
parent 603e26f763
commit 09779488a9
1 changed files with 1 additions and 1 deletions
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2
tools/env/fw_env.c vendored
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@ -1208,7 +1208,7 @@ static int flash_write(int fd_current, int fd_target, int dev_target)
if (IS_UBI(dev_target)) {
if (ubi_update_start(fd_target, CUR_ENVSIZE) < 0)
return 0;
return -1;
return ubi_write(fd_target, environment.image, CUR_ENVSIZE);
}