From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
platform-driver-x86@vger.kernel.org
Subject: [PATCH v5 09/14] software node: simplify property_entry_read_string_array()
Date: Fri, 11 Oct 2019 16:07:16 -0700 [thread overview]
Message-ID: <20191011230721.206646-10-dmitry.torokhov@gmail.com> (raw)
In-Reply-To: <20191011230721.206646-1-dmitry.torokhov@gmail.com>
There is no need to treat string arrays and single strings separately, we can go
exclusively by the element length in relation to data type size.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/base/swnode.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index b11cc4dbff08..8826c9040c80 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -173,28 +173,21 @@ static int property_entry_read_string_array(const struct property_entry *props,
const char *propname,
const char **strings, size_t nval)
{
- const struct property_entry *prop;
const void *pointer;
- size_t array_len, length;
+ size_t length;
+ int array_len;
/* Find out the array length. */
- prop = property_entry_get(props, propname);
- if (!prop)
- return -EINVAL;
-
- if (prop->is_array)
- /* Find the length of an array. */
- array_len = property_entry_count_elems_of_size(props, propname,
- sizeof(const char *));
- else
- /* The array length for a non-array string property is 1. */
- array_len = 1;
+ array_len = property_entry_count_elems_of_size(props, propname,
+ sizeof(const char *));
+ if (array_len < 0)
+ return array_len;
/* Return how many there are if strings is NULL. */
if (!strings)
return array_len;
- array_len = min(nval, array_len);
+ array_len = min_t(size_t, nval, array_len);
length = array_len * sizeof(*strings);
pointer = property_entry_find(props, propname, length);
--
2.23.0.700.g56cf767bdb-goog
next prev parent reply other threads:[~2019-10-11 23:07 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-11 23:07 [PATCH v5 00/14] software node: add support for reference properties Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 01/14] software node: remove DEV_PROP_MAX Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 02/14] software node: introduce PROPERTY_ENTRY_ARRAY_XXX_LEN() Dmitry Torokhov
2019-10-15 12:02 ` Andy Shevchenko
2019-10-11 23:07 ` [PATCH v5 03/14] efi/apple-properties: use PROPERTY_ENTRY_U8_ARRAY_LEN Dmitry Torokhov
2019-10-15 12:01 ` Andy Shevchenko
2019-10-15 18:02 ` Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 04/14] software node: mark internal macros with double underscores Dmitry Torokhov
2019-10-15 12:03 ` Andy Shevchenko
2019-10-15 18:09 ` Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 05/14] software node: clean up property_copy_string_array() Dmitry Torokhov
2019-10-15 12:07 ` Andy Shevchenko
2019-10-15 18:12 ` Dmitry Torokhov
2019-10-16 7:53 ` Andy Shevchenko
2019-10-16 17:00 ` Dmitry Torokhov
2019-10-17 7:02 ` Andy Shevchenko
2019-10-11 23:07 ` [PATCH v5 06/14] software node: get rid of property_set_pointer() Dmitry Torokhov
2019-10-15 12:09 ` Andy Shevchenko
2019-10-15 18:14 ` Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 07/14] software node: remove property_entry_read_uNN_array functions Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 08/14] software node: unify PROPERTY_ENTRY_XXX macros Dmitry Torokhov
2019-10-11 23:07 ` Dmitry Torokhov [this message]
2019-10-11 23:07 ` [PATCH v5 10/14] software node: rename is_array to is_inline Dmitry Torokhov
2019-10-14 7:37 ` Andy Shevchenko
2019-10-15 18:22 ` Dmitry Torokhov
2019-10-16 7:59 ` Andy Shevchenko
2019-10-16 16:54 ` Dmitry Torokhov
2019-10-17 7:16 ` Andy Shevchenko
2019-10-17 16:00 ` Dmitry Torokhov
2019-10-17 16:02 ` Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 11/14] software node: move small properties inline when copying Dmitry Torokhov
2019-10-15 12:20 ` Andy Shevchenko
2019-10-15 18:25 ` Dmitry Torokhov
2019-10-16 7:48 ` Andy Shevchenko
2019-10-16 16:01 ` Dmitry Torokhov
2019-10-16 16:18 ` Andy Shevchenko
2019-10-16 16:23 ` Andy Shevchenko
2019-10-16 16:44 ` Dmitry Torokhov
2019-10-17 16:04 ` Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 12/14] software node: implement reference properties Dmitry Torokhov
2019-10-11 23:07 ` [PATCH v5 13/14] platform/x86: intel_cht_int33fe: use inline " Dmitry Torokhov
2019-10-16 8:01 ` Andy Shevchenko
2019-10-11 23:07 ` [PATCH v5 14/14] software node: remove separate handling of references Dmitry Torokhov
2019-10-14 7:38 ` [PATCH v5 00/14] software node: add support for reference properties Andy Shevchenko
2019-10-14 23:57 ` Dmitry Torokhov
2019-10-16 8:02 ` Andy Shevchenko
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