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Commit dba750e0 authored by Wei Wang's avatar Wei Wang
Browse files

Make sure wait for the dm device 

Bug: 32408249
Test: on m/s
Change-Id: I65fa4fec94c82ef51d2c8d0aabf9e90b8448f27f
parent 0ca2fe4c

fs_mgr/fs_mgr_verity.cpp

+16 −0
Original line number Diff line number Diff line
@@ -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];
@@ -1020,6 +1031,11 @@ 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: