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Merge "Make sure wait for the dm device"

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am: d70a5feb60

Change-Id: If1e188c32548995413e49c1f7edece8d2c526bb2
This commit is contained in:
Wei Wang 2016-10-26 22:35:28 +00:00 • committed by android-build-merger
commit 496e667966
1 changed files with 16 additions and 0 deletions
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16
fs_mgr/fs_mgr_verity.cpp
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@ -341,6 +341,17 @@ static int resume_verity_table(struct dm_ioctl *io, char *name, int fd)
return 0;
}
static int test_access(char *device) {
int tries = 25;
while (tries--) {
if (!access(device, F_OK) || errno != ENOENT) {
return 0;
}
usleep(40 * 1000);
}
return -1;
}
static int check_verity_restart(const char *fname)
{
char buffer[VERITY_KMSG_BUFSIZE + 1];
@ -1031,6 +1042,11 @@ loaded:
fstab->blk_device = verity_blk_name;
verity_blk_name = 0;
// make sure we've set everything up properly
if (test_access(fstab->blk_device) < 0) {
goto out;
}
retval = FS_MGR_SETUP_VERITY_SUCCESS;
out: