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cryptfs: log umount() failure reason

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Bug: 17576594

Change-Id: I7320aa597210896b4db6e663e1b2cb0c24d96557
Signed-off-by: Greg Hackmann <ghackmann@google.com>
This commit is contained in:
Greg Hackmann 2014-09-24 14:55:20 -07:00
parent 3f14fe45a3
commit 955653ebff
1 changed files with 3 additions and 2 deletions
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5
cryptfs.c
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@ -1428,7 +1428,7 @@ static int create_encrypted_random_key(char *passwd, unsigned char *master_key,
static int wait_and_unmount(char *mountpoint)
{
int i, rc;
int i, err, rc;
#define WAIT_UNMOUNT_COUNT 20
/* Now umount the tmpfs filesystem */
@ -1440,6 +1440,7 @@ static int wait_and_unmount(char *mountpoint)
*/
break;
}
err = errno;
sleep(1);
i++;
} else {
@ -1452,7 +1453,7 @@ static int wait_and_unmount(char *mountpoint)
rc = 0;
} else {
vold_killProcessesWithOpenFiles(mountpoint, 0);
SLOGE("unmounting %s failed\n", mountpoint);
SLOGE("unmounting %s failed: %s\n", mountpoint, strerror(err));
rc = -1;
}