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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-25 11:19:46 +0100 |
commit | 0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch) | |
tree | 0187f2baef24b5d78d94aecc7057356a36c58b5d /drivers/md/dm-table.c | |
parent | tty: fix up iterate_tty_read() EOVERFLOW handling (diff) | |
parent | Linux 5.11-rc5 (diff) | |
download | linux-0f8b29fabacbcf0e617896c7ea832b7ea2ef2406.tar.xz linux-0f8b29fabacbcf0e617896c7ea832b7ea2ef2406.zip |
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in
drivers/tty/tty_io.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r-- | drivers/md/dm-table.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 188f41287f18..4acf2342f7ad 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -363,14 +363,23 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode, { int r; dev_t dev; + unsigned int major, minor; + char dummy; struct dm_dev_internal *dd; struct dm_table *t = ti->table; BUG_ON(!t); - dev = dm_get_dev_t(path); - if (!dev) - return -ENODEV; + if (sscanf(path, "%u:%u%c", &major, &minor, &dummy) == 2) { + /* Extract the major/minor numbers */ + dev = MKDEV(major, minor); + if (MAJOR(dev) != major || MINOR(dev) != minor) + return -EOVERFLOW; + } else { + dev = dm_get_dev_t(path); + if (!dev) + return -ENODEV; + } dd = find_device(&t->devices, dev); if (!dd) { |