2021-11-03 20:18:37

by Jonas Dreßler

Subject: [PATCH v4 1/3] mwifiex: Use a define for firmware version string length

Since the version string we get from the firmware is always 128
characters long, use a define for this size instead of having the number
128 copied all over the place.

Signed-off-by: Jonas Dreßler <[email protected]>
---
drivers/net/wireless/marvell/mwifiex/fw.h | 4 +++-
drivers/net/wireless/marvell/mwifiex/main.h | 2 +-
drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 5 +++--
3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h
index 2ff23ab259ab..63c25c69ed2b 100644
--- a/drivers/net/wireless/marvell/mwifiex/fw.h
+++ b/drivers/net/wireless/marvell/mwifiex/fw.h
@@ -2071,9 +2071,11 @@ struct mwifiex_ie_types_robust_coex {
__le32 mode;
} __packed;

+#define MWIFIEX_VERSION_STR_LENGTH 128
+
struct host_cmd_ds_version_ext {
u8 version_str_sel;
- char version_str[128];
+ char version_str[MWIFIEX_VERSION_STR_LENGTH];
} __packed;

struct host_cmd_ds_mgmt_frame_reg {
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 90012cbcfd15..65609ea2327e 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -646,7 +646,7 @@ struct mwifiex_private {
struct wireless_dev wdev;
struct mwifiex_chan_freq_power cfp;
u32 versionstrsel;
- char version_str[128];
+ char version_str[MWIFIEX_VERSION_STR_LENGTH];
#ifdef CONFIG_DEBUG_FS
struct dentry *dfs_dev_dir;
#endif
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
index 6b5d35d9e69f..20b69a37f9e1 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
@@ -711,8 +711,9 @@ static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
if (version_ext) {
version_ext->version_str_sel = ver_ext->version_str_sel;
memcpy(version_ext->version_str, ver_ext->version_str,
- sizeof(char) * 128);
- memcpy(priv->version_str, ver_ext->version_str, 128);
+ MWIFIEX_VERSION_STR_LENGTH);
+ memcpy(priv->version_str, ver_ext->version_str,
+ MWIFIEX_VERSION_STR_LENGTH);
}
return 0;
}
--
2.33.1

2021-11-26 16:32:03

by Kalle Valo

Subject: Re: [PATCH v4 1/3] mwifiex: Use a define for firmware version string length

Jonas Dreßler <[email protected]> wrote:

> Since the version string we get from the firmware is always 128
> characters long, use a define for this size instead of having the number
> 128 copied all over the place.
>
> Signed-off-by: Jonas Dreßler <[email protected]>

3 patches applied to wireless-drivers-next.git, thanks.

2d1d7091ddac mwifiex: Use a define for firmware version string length
939b571a3b62 mwifiex: Add quirk to disable deep sleep with certain hardware revision
deb573f1d7dd mwifiex: Ensure the version string from the firmware is 0-terminated

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches