From a9a3047dd8ae43ff24caae5ec733a93df129568e Mon Sep 17 00:00:00 2001 From: Nishanth Aravamudan Date: Mon, 7 Nov 2005 01:01:20 -0800 Subject: [PATCH] drivers/scsi: fix-up schedule_timeout() usage Use schedule_timeout_uninterruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Signed-off-by: Nishanth Aravamudan Cc: James Bottomley Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/scsi/dpt_i2o.c | 34 +++++++++++----------------------- 1 file changed, 11 insertions(+), 23 deletions(-) (limited to 'drivers/scsi/dpt_i2o.c') diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 7235f94f119..46d5571ec55 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -1218,8 +1218,7 @@ static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len) printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while(m == EMPTY_QUEUE); msg = pHba->msg_addr_virt + m; @@ -1294,8 +1293,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba) printk(KERN_WARNING"Timeout waiting for message!\n"); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while (m == EMPTY_QUEUE); status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32); @@ -1327,8 +1325,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba) return -ETIMEDOUT; } rmb(); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) { @@ -1345,8 +1342,7 @@ static s32 adpt_i2o_reset_hba(adpt_hba* pHba) printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while (m == EMPTY_QUEUE); // Flush the offset adpt_send_nop(pHba, m); @@ -1917,11 +1913,8 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, return -ENXIO; } - while((volatile u32) pHba->state & DPTI_STATE_RESET ) { - set_task_state(current,TASK_UNINTERRUPTIBLE); - schedule_timeout(2); - - } + while((volatile u32) pHba->state & DPTI_STATE_RESET ) + schedule_timeout_uninterruptible(2); switch (cmd) { // TODO: handle 3 cases @@ -2635,8 +2628,7 @@ static s32 adpt_send_nop(adpt_hba*pHba,u32 m) printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name); return 2; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } msg = (u32 __iomem *)(pHba->msg_addr_virt + m); writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]); @@ -2670,8 +2662,7 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while(m == EMPTY_QUEUE); msg=(u32 __iomem *)(pHba->msg_addr_virt+m); @@ -2709,8 +2700,7 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while (1); // If the command was successful, fill the fifo with our reply @@ -2788,8 +2778,7 @@ static s32 adpt_i2o_status_get(adpt_hba* pHba) pHba->name); return -ETIMEDOUT; } - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } while(m==EMPTY_QUEUE); @@ -2816,8 +2805,7 @@ static s32 adpt_i2o_status_get(adpt_hba* pHba) return -ETIMEDOUT; } rmb(); - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); + schedule_timeout_uninterruptible(1); } // Set up our number of outbound and inbound messages -- cgit v1.2.3 From c9475cb0c358ff0dd473544280d92482df491913 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Mon, 7 Nov 2005 01:01:26 -0800 Subject: [PATCH] kfree cleanup: drivers/scsi This is the drivers/scsi/ part of the big kfree cleanup patch. Remove pointless checks for NULL prior to calling kfree() in drivers/scsi/. Signed-off-by: Jesper Juhl Cc: James Bottomley Acked-by: Kai Makisara Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/scsi/dpt_i2o.c | 27 ++++++++------------------- 1 file changed, 8 insertions(+), 19 deletions(-) (limited to 'drivers/scsi/dpt_i2o.c') diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 46d5571ec55..c28e3aea1c3 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -1037,18 +1037,10 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba) if(pHba->msg_addr_virt != pHba->base_addr_virt){ iounmap(pHba->msg_addr_virt); } - if(pHba->hrt) { - kfree(pHba->hrt); - } - if(pHba->lct){ - kfree(pHba->lct); - } - if(pHba->status_block) { - kfree(pHba->status_block); - } - if(pHba->reply_pool){ - kfree(pHba->reply_pool); - } + kfree(pHba->hrt); + kfree(pHba->lct); + kfree(pHba->status_block); + kfree(pHba->reply_pool); for(d = pHba->devices; d ; d = next){ next = d->next; @@ -2706,14 +2698,12 @@ static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) // If the command was successful, fill the fifo with our reply // message packets if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) { - kfree((void*)status); + kfree(status); return -2; } - kfree((void*)status); + kfree(status); - if(pHba->reply_pool != NULL){ - kfree(pHba->reply_pool); - } + kfree(pHba->reply_pool); pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32); if(!pHba->reply_pool){ @@ -2929,8 +2919,7 @@ static int adpt_i2o_build_sys_table(void) sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs (hba_count) * sizeof(struct i2o_sys_tbl_entry); - if(sys_tbl) - kfree(sys_tbl); + kfree(sys_tbl); sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32); if(!sys_tbl) { -- cgit v1.2.3