diff options
| author | Lee Jones <lee.jones@linaro.org> | 2021-04-14 19:10:37 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-10 11:19:23 +0200 |
| commit | 803c63d960d8878d2ea621c02e883a7d8d2cb7cd (patch) | |
| tree | 55193aa0b16f8f412b6b7c6a01b801546ee40d3c /drivers/staging/rtl8192u | |
| parent | 52ee2c7c825be4e958a0ac57b1769c8d4fad3ad2 (diff) | |
staging: r819xU_phy: Remove some local variables from the stack
Fixes the following W=1 kernel build warning(s):
drivers/staging/rtl8192u/r819xU_phy.c: In function ‘rtl8192_phy_SwChnlStepByStep’:
drivers/staging/rtl8192u/r819xU_phy.c:1328:1: warning: the frame size of 1096 bytes is larger than 1024 bytes [-Wframe-larger-than=]
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michael Straube <straube.linux@gmail.com>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-6-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192u')
| -rw-r--r-- | drivers/staging/rtl8192u/r819xU_phy.c | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/drivers/staging/rtl8192u/r819xU_phy.c b/drivers/staging/rtl8192u/r819xU_phy.c index eef751d2b12e..37b82553412e 100644 --- a/drivers/staging/rtl8192u/r819xU_phy.c +++ b/drivers/staging/rtl8192u/r819xU_phy.c @@ -1185,14 +1185,32 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, u8 *stage, u8 *step, u32 *delay) { struct r8192_priv *priv = ieee80211_priv(dev); - struct sw_chnl_cmd PreCommonCmd[MAX_PRECMD_CNT]; + struct sw_chnl_cmd *PreCommonCmd; u32 PreCommonCmdCnt; - struct sw_chnl_cmd PostCommonCmd[MAX_POSTCMD_CNT]; + struct sw_chnl_cmd *PostCommonCmd; u32 PostCommonCmdCnt; - struct sw_chnl_cmd RfDependCmd[MAX_RFDEPENDCMD_CNT]; + struct sw_chnl_cmd *RfDependCmd; u32 RfDependCmdCnt; struct sw_chnl_cmd *CurrentCmd = NULL; u8 e_rfpath; + bool ret; + + PreCommonCmd = kzalloc(sizeof(*PreCommonCmd) * MAX_PRECMD_CNT, GFP_KERNEL); + if (!PreCommonCmd) + return false; + + PostCommonCmd = kzalloc(sizeof(*PostCommonCmd) * MAX_POSTCMD_CNT, GFP_KERNEL); + if (!PostCommonCmd) { + kfree(PreCommonCmd); + return false; + } + + RfDependCmd = kzalloc(sizeof(*RfDependCmd) * MAX_RFDEPENDCMD_CNT, GFP_KERNEL); + if (!RfDependCmd) { + kfree(PreCommonCmd); + kfree(PostCommonCmd); + return false; + } RT_TRACE(COMP_CH, "%s() stage: %d, step: %d, channel: %d\n", __func__, *stage, *step, channel); @@ -1201,7 +1219,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, /* return true to tell upper caller function this channel * setting is finished! Or it will in while loop. */ - return true; + ret = true; + goto out; } /* FIXME: need to check whether channel is legal or not here */ @@ -1227,7 +1246,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, RT_TRACE(COMP_ERR, "illegal channel for Zebra 8225: %d\n", channel); - return true; + ret = true; + goto out; } rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, MAX_RFDEPENDCMD_CNT, @@ -1246,7 +1266,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, RT_TRACE(COMP_ERR, "illegal channel for Zebra 8256: %d\n", channel); - return true; + ret = true; + goto out; } rtl8192_phy_SetSwChnlCmdArray(RfDependCmd, RfDependCmdCnt++, MAX_RFDEPENDCMD_CNT, @@ -1262,7 +1283,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, default: RT_TRACE(COMP_ERR, "Unknown RFChipID: %d\n", priv->rf_chip); - return true; + ret = true; + goto out; } do { @@ -1281,7 +1303,8 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, if (CurrentCmd->cmd_id == CMD_ID_END) { if ((*stage) == 2) { (*delay) = CurrentCmd->ms_delay; - return true; + ret = true; + goto out; } (*stage)++; (*step) = 0; @@ -1324,7 +1347,14 @@ static u8 rtl8192_phy_SwChnlStepByStep(struct net_device *dev, u8 channel, (*delay) = CurrentCmd->ms_delay; (*step)++; - return false; + ret = false; + +out: + kfree(PreCommonCmd); + kfree(PostCommonCmd); + kfree(RfDependCmd); + + return ret; } /****************************************************************************** |