From d485eb830576eef911727b1347402e9a708998a2 Mon Sep 17 00:00:00 2001 From: "Moore, Eric Dean" Date: Wed, 11 May 2005 17:37:26 -0600 Subject: [PATCH] [SCSI] fusion-kfree-cleanup This patch is originally From: Jesper Juhl This patch gets rid of redundant NULL checks prior to calling kfree() in drivers/message/* There are also a few small whitespace changes in there. Signed-off-by: Eric Moore Signed-off-by: James Bottomley --- drivers/message/fusion/mptbase.c | 25 ++++++++----------------- drivers/message/fusion/mptctl.c | 22 +++++++++++----------- drivers/message/fusion/mptlan.c | 4 ++-- drivers/message/fusion/mptscsih.c | 15 ++++++--------- 4 files changed, 27 insertions(+), 39 deletions(-) diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 673cdd955e..8b623278cc 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -1837,15 +1837,10 @@ mpt_adapter_disable(MPT_ADAPTER *ioc) ioc->alloc_total -= sz; } - if (ioc->spi_data.nvram != NULL) { - kfree(ioc->spi_data.nvram); - ioc->spi_data.nvram = NULL; - } - - if (ioc->spi_data.pIocPg3 != NULL) { - kfree(ioc->spi_data.pIocPg3); - ioc->spi_data.pIocPg3 = NULL; - } + kfree(ioc->spi_data.nvram); + kfree(ioc->spi_data.pIocPg3); + ioc->spi_data.nvram = NULL; + ioc->spi_data.pIocPg3 = NULL; if (ioc->spi_data.pIocPg4 != NULL) { sz = ioc->spi_data.IocPg4Sz; @@ -1862,10 +1857,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc) ioc->ReqToChain = NULL; } - if (ioc->ChainToChain != NULL) { - kfree(ioc->ChainToChain); - ioc->ChainToChain = NULL; - } + kfree(ioc->ChainToChain); + ioc->ChainToChain = NULL; } /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ @@ -4403,10 +4396,8 @@ mpt_read_ioc_pg_3(MPT_ADAPTER *ioc) /* Free the old page */ - if (ioc->spi_data.pIocPg3) { - kfree(ioc->spi_data.pIocPg3); - ioc->spi_data.pIocPg3 = NULL; - } + kfree(ioc->spi_data.pIocPg3); + ioc->spi_data.pIocPg3 = NULL; /* There is at least one physical disk. * Read and save IOC Page 3 diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index 7f9a87757d..05ea5944c4 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -99,14 +99,14 @@ struct buflist { * arg contents specific to function. */ static int mptctl_fw_download(unsigned long arg); -static int mptctl_getiocinfo (unsigned long arg, unsigned int cmd); -static int mptctl_gettargetinfo (unsigned long arg); -static int mptctl_readtest (unsigned long arg); -static int mptctl_mpt_command (unsigned long arg); -static int mptctl_eventquery (unsigned long arg); -static int mptctl_eventenable (unsigned long arg); -static int mptctl_eventreport (unsigned long arg); -static int mptctl_replace_fw (unsigned long arg); +static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd); +static int mptctl_gettargetinfo(unsigned long arg); +static int mptctl_readtest(unsigned long arg); +static int mptctl_mpt_command(unsigned long arg); +static int mptctl_eventquery(unsigned long arg); +static int mptctl_eventenable(unsigned long arg); +static int mptctl_eventreport(unsigned long arg); +static int mptctl_replace_fw(unsigned long arg); static int mptctl_do_reset(unsigned long arg); static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); @@ -121,11 +121,11 @@ static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); /* * Private function calls. */ -static int mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr); +static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); -static MptSge_t *kbuf_alloc_2_sgl( int bytes, u32 dir, int sge_offset, int *frags, +static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); -static void kfree_sgl( MptSge_t *sgl, dma_addr_t sgl_dma, +static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc); static void mptctl_timeout_expired (MPT_IOCTL *ioctl); static int mptctl_bus_reset(MPT_IOCTL *ioctl); diff --git a/drivers/message/fusion/mptlan.c b/drivers/message/fusion/mptlan.c index 7defac72f2..52794be5a9 100644 --- a/drivers/message/fusion/mptlan.c +++ b/drivers/message/fusion/mptlan.c @@ -538,8 +538,8 @@ mpt_lan_close(struct net_device *dev) } } - kfree (priv->RcvCtl); - kfree (priv->mpt_rxfidx); + kfree(priv->RcvCtl); + kfree(priv->mpt_rxfidx); for (i = 0; i < priv->tx_max_out; i++) { if (priv->SendCtl[i].skb != NULL) { diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index cf058a399d..c8492034cf 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -998,20 +998,17 @@ mptscsih_remove(struct pci_dev *pdev) hd->ScsiLookup = NULL; } - if (hd->Targets != NULL) { - /* - * Free pointer array. - */ - kfree(hd->Targets); - hd->Targets = NULL; - } + /* + * Free pointer array. + */ + kfree(hd->Targets); + hd->Targets = NULL; dprintk((MYIOC_s_INFO_FMT "Free'd ScsiLookup (%d) memory\n", hd->ioc->name, sz1)); - if (hd->info_kbuf != NULL) - kfree(hd->info_kbuf); + kfree(hd->info_kbuf); /* NULL the Scsi_Host pointer */ -- 2.39.5