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UBI/UBIFS: Automatically unmount UBIFS volume upon UBI partition change

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Automatically unmount UBIFS partition when user changes the UBI device.
Otherwise the following UBIFS commands will crash.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese
2010-11-01 17:28:22 +01:00
parent b1a14f8a1c
commit 2f15cfd187
2 changed files with 35 additions and 6 deletions
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15
common/cmd_ubi.c
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@ -42,6 +42,11 @@ struct selected_dev {
static struct selected_dev ubi_dev;
#ifdef CONFIG_CMD_UBIFS
int ubifs_is_mounted(void);
void cmd_ubifs_umount(void);
#endif
static void ubi_dump_vol_info(const struct ubi_volume *vol)
{
ubi_msg("volume information dump:");
@ -472,6 +477,16 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
if (argc < 3)
return cmd_usage(cmdtp);
#ifdef CONFIG_CMD_UBIFS
/*
* Automatically unmount UBIFS partition when user
* changes the UBI device. Otherwise the following
* UBIFS commands will crash.
*/
if (ubifs_is_mounted())
cmd_ubifs_umount();
#endif
/* todo: get dev number for NAND... */
ubi_dev.nr = 0;