diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-10-16 16:31:34 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-18 10:02:52 +0200 |
| commit | b8cb855d1b2ee6669e46c54a132024bd1dd0dcbb (patch) | |
| tree | 7094f8eb965dabf2bf218fcd4cbc04b810097ff0 /drivers/parport | |
| parent | 8d8ae17eb0de1fcdff6e7ddee3b641a16eefe8f6 (diff) | |
| download | linux-b8cb855d1b2ee6669e46c54a132024bd1dd0dcbb.tar.gz | |
parport: Use list_for_each() helper
Convert hard to read custom code to list_for_each().
No functional changes intended.
Note, we may not use list_for_each_entry() as at the end of the list
the iterator will point to an invalid entry and may not be dereferenced.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231016133135.1203643-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/parport')
| -rw-r--r-- | drivers/parport/share.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 8037bcd07bcf9..38780f6a91194 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -469,9 +469,11 @@ struct parport *parport_register_port(unsigned long base, int irq, int dma, /* Search for the lowest free parport number. */ spin_lock(&full_list_lock); - for (l = all_ports.next, num = 0; l != &all_ports; l = l->next, num++) { + num = 0; + list_for_each(l, &all_ports) { struct parport *p = list_entry(l, struct parport, full_list); - if (p->number != num) + + if (p->number != num++) break; } tmp->portnum = tmp->number = num; |