* [PATCH][next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings
@ 2024-03-26 18:55 Gustavo A. R. Silva
2024-03-27 4:48 ` patchwork-bot+chrome-platform
2024-03-27 4:48 ` patchwork-bot+chrome-platform
0 siblings, 2 replies; 3+ messages in thread
From: Gustavo A. R. Silva @ 2024-03-26 18:55 UTC (permalink / raw
To: Benson Leung, Tzung-Bi Shih, Guenter Roeck
Cc: chrome-platform, linux-kernel, Gustavo A. R. Silva,
linux-hardening
Use the `DEFINE_RAW_FLEX()` helper for an on-stack definition of
a flexible structure where the size of the flexible-array member
is known at compile-time, and refactor the rest of the code,
accordingly.
So, with these changes, fix the following warning:
drivers/platform/chrome/cros_ec_proto_test.c:1547:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/platform/chrome/cros_ec_proto_test.c:1607:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/platform/chrome/cros_ec_proto_test.c:1645:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
drivers/platform/chrome/cros_ec_proto_test.c:1668:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Link: https://github.com/KSPP/linux/issues/202
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
drivers/platform/chrome/cros_ec_proto_test.c | 72 ++++++++------------
1 file changed, 30 insertions(+), 42 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c
index b6169d6f2467..41378c2ee6a0 100644
--- a/drivers/platform/chrome/cros_ec_proto_test.c
+++ b/drivers/platform/chrome/cros_ec_proto_test.c
@@ -1543,21 +1543,18 @@ static void cros_ec_proto_test_cmd_xfer_normal(struct kunit *test)
struct cros_ec_device *ec_dev = &priv->ec_dev;
struct ec_xfer_mock *mock;
int ret;
- struct {
- struct cros_ec_command msg;
- u8 data[0x100];
- } __packed buf;
+ DEFINE_RAW_FLEX(struct cros_ec_command, buf, data, 0x100);
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec_dev->max_passthru = 0xdd;
- buf.msg.version = 0;
- buf.msg.command = EC_CMD_HELLO;
- buf.msg.insize = 4;
- buf.msg.outsize = 2;
- buf.data[0] = 0x55;
- buf.data[1] = 0xaa;
+ buf->version = 0;
+ buf->command = EC_CMD_HELLO;
+ buf->insize = 4;
+ buf->outsize = 2;
+ buf->data[0] = 0x55;
+ buf->data[1] = 0xaa;
{
u8 *data;
@@ -1572,7 +1569,7 @@ static void cros_ec_proto_test_cmd_xfer_normal(struct kunit *test)
data[3] = 0x33;
}
- ret = cros_ec_cmd_xfer(ec_dev, &buf.msg);
+ ret = cros_ec_cmd_xfer(ec_dev, buf);
KUNIT_EXPECT_EQ(test, ret, 4);
{
@@ -1590,10 +1587,10 @@ static void cros_ec_proto_test_cmd_xfer_normal(struct kunit *test)
KUNIT_EXPECT_EQ(test, data[0], 0x55);
KUNIT_EXPECT_EQ(test, data[1], 0xaa);
- KUNIT_EXPECT_EQ(test, buf.data[0], 0xaa);
- KUNIT_EXPECT_EQ(test, buf.data[1], 0x55);
- KUNIT_EXPECT_EQ(test, buf.data[2], 0xcc);
- KUNIT_EXPECT_EQ(test, buf.data[3], 0x33);
+ KUNIT_EXPECT_EQ(test, buf->data[0], 0xaa);
+ KUNIT_EXPECT_EQ(test, buf->data[1], 0x55);
+ KUNIT_EXPECT_EQ(test, buf->data[2], 0xcc);
+ KUNIT_EXPECT_EQ(test, buf->data[3], 0x33);
}
}
@@ -1603,26 +1600,23 @@ static void cros_ec_proto_test_cmd_xfer_excess_msg_insize(struct kunit *test)
struct cros_ec_device *ec_dev = &priv->ec_dev;
struct ec_xfer_mock *mock;
int ret;
- struct {
- struct cros_ec_command msg;
- u8 data[0x100];
- } __packed buf;
+ DEFINE_RAW_FLEX(struct cros_ec_command, buf, data, 0x100);
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec_dev->max_passthru = 0xdd;
- buf.msg.version = 0;
- buf.msg.command = EC_CMD_HELLO;
- buf.msg.insize = 0xee + 1;
- buf.msg.outsize = 2;
+ buf->version = 0;
+ buf->command = EC_CMD_HELLO;
+ buf->insize = 0xee + 1;
+ buf->outsize = 2;
{
mock = cros_kunit_ec_xfer_mock_add(test, 0xcc);
KUNIT_ASSERT_PTR_NE(test, mock, NULL);
}
- ret = cros_ec_cmd_xfer(ec_dev, &buf.msg);
+ ret = cros_ec_cmd_xfer(ec_dev, buf);
KUNIT_EXPECT_EQ(test, ret, 0xcc);
{
@@ -1641,21 +1635,18 @@ static void cros_ec_proto_test_cmd_xfer_excess_msg_outsize_without_passthru(stru
struct cros_ec_proto_test_priv *priv = test->priv;
struct cros_ec_device *ec_dev = &priv->ec_dev;
int ret;
- struct {
- struct cros_ec_command msg;
- u8 data[0x100];
- } __packed buf;
+ DEFINE_RAW_FLEX(struct cros_ec_command, buf, data, 0x100);
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec_dev->max_passthru = 0xdd;
- buf.msg.version = 0;
- buf.msg.command = EC_CMD_HELLO;
- buf.msg.insize = 4;
- buf.msg.outsize = 0xff + 1;
+ buf->version = 0;
+ buf->command = EC_CMD_HELLO;
+ buf->insize = 4;
+ buf->outsize = 0xff + 1;
- ret = cros_ec_cmd_xfer(ec_dev, &buf.msg);
+ ret = cros_ec_cmd_xfer(ec_dev, buf);
KUNIT_EXPECT_EQ(test, ret, -EMSGSIZE);
}
@@ -1664,21 +1655,18 @@ static void cros_ec_proto_test_cmd_xfer_excess_msg_outsize_with_passthru(struct
struct cros_ec_proto_test_priv *priv = test->priv;
struct cros_ec_device *ec_dev = &priv->ec_dev;
int ret;
- struct {
- struct cros_ec_command msg;
- u8 data[0x100];
- } __packed buf;
+ DEFINE_RAW_FLEX(struct cros_ec_command, buf, data, 0x100);
ec_dev->max_request = 0xff;
ec_dev->max_response = 0xee;
ec_dev->max_passthru = 0xdd;
- buf.msg.version = 0;
- buf.msg.command = EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) + EC_CMD_HELLO;
- buf.msg.insize = 4;
- buf.msg.outsize = 0xdd + 1;
+ buf->version = 0;
+ buf->command = EC_CMD_PASSTHRU_OFFSET(CROS_EC_DEV_PD_INDEX) + EC_CMD_HELLO;
+ buf->insize = 4;
+ buf->outsize = 0xdd + 1;
- ret = cros_ec_cmd_xfer(ec_dev, &buf.msg);
+ ret = cros_ec_cmd_xfer(ec_dev, buf);
KUNIT_EXPECT_EQ(test, ret, -EMSGSIZE);
}
--
2.34.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH][next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings
2024-03-26 18:55 [PATCH][next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings Gustavo A. R. Silva
@ 2024-03-27 4:48 ` patchwork-bot+chrome-platform
2024-03-27 4:48 ` patchwork-bot+chrome-platform
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+chrome-platform @ 2024-03-27 4:48 UTC (permalink / raw
To: Gustavo A. R. Silva
Cc: bleung, tzungbi, groeck, chrome-platform, linux-kernel,
linux-hardening
Hello:
This patch was applied to chrome-platform/linux.git (for-next)
by Tzung-Bi Shih <tzungbi@kernel.org>:
On Tue, 26 Mar 2024 12:55:10 -0600 you wrote:
> Use the `DEFINE_RAW_FLEX()` helper for an on-stack definition of
> a flexible structure where the size of the flexible-array member
> is known at compile-time, and refactor the rest of the code,
> accordingly.
>
> So, with these changes, fix the following warning:
> drivers/platform/chrome/cros_ec_proto_test.c:1547:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1607:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1645:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1668:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
>
> [...]
Here is the summary with links:
- [next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings
https://git.kernel.org/chrome-platform/c/6c85a13b133f
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings
2024-03-26 18:55 [PATCH][next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings Gustavo A. R. Silva
2024-03-27 4:48 ` patchwork-bot+chrome-platform
@ 2024-03-27 4:48 ` patchwork-bot+chrome-platform
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+chrome-platform @ 2024-03-27 4:48 UTC (permalink / raw
To: Gustavo A. R. Silva
Cc: bleung, tzungbi, groeck, chrome-platform, linux-kernel,
linux-hardening
Hello:
This patch was applied to chrome-platform/linux.git (for-kernelci)
by Tzung-Bi Shih <tzungbi@kernel.org>:
On Tue, 26 Mar 2024 12:55:10 -0600 you wrote:
> Use the `DEFINE_RAW_FLEX()` helper for an on-stack definition of
> a flexible structure where the size of the flexible-array member
> is known at compile-time, and refactor the rest of the code,
> accordingly.
>
> So, with these changes, fix the following warning:
> drivers/platform/chrome/cros_ec_proto_test.c:1547:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1607:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1645:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> drivers/platform/chrome/cros_ec_proto_test.c:1668:40: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
>
> [...]
Here is the summary with links:
- [next] platform/chrome: cros_ec_proto: avoid -Wflex-array-member-not-at-end warnings
https://git.kernel.org/chrome-platform/c/6c85a13b133f
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
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2024-03-27 4:48 ` patchwork-bot+chrome-platform
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