diff options
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 0435d044c9d..ffc1edf5e80 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -114,12 +114,13 @@ static int hba_count = 0; static struct class *adpt_sysfs_class; +static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long); #ifdef CONFIG_COMPAT static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long); #endif static const struct file_operations adpt_fops = { - .ioctl = adpt_ioctl, + .unlocked_ioctl = adpt_unlocked_ioctl, .open = adpt_open, .release = adpt_close, #ifdef CONFIG_COMPAT @@ -1289,7 +1290,7 @@ static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout) ulong flags = 0; struct adpt_i2o_post_wait_data *p1, *p2; struct adpt_i2o_post_wait_data *wait_data = - kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL); + kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC); DECLARE_WAITQUEUE(wait, current); if (!wait_data) @@ -2069,8 +2070,7 @@ static int adpt_system_info(void __user *buffer) return 0; } -static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, - ulong arg) +static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg) { int minor; int error = 0; @@ -2153,6 +2153,20 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, return error; } +static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg) +{ + struct inode *inode; + long ret; + + inode = file->f_dentry->d_inode; + + lock_kernel(); + ret = adpt_ioctl(inode, file, cmd, arg); + unlock_kernel(); + + return ret; +} + #ifdef CONFIG_COMPAT static long compat_adpt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) @@ -2626,6 +2640,13 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) continue; } bus_no = buf[0]>>16; + if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */ + printk(KERN_WARNING + "%s: Channel number %d out of range\n", + pHba->name, bus_no); + continue; + } + scsi_id = buf[1]; scsi_lun = (buf[2]>>8 )&0xff; pDev = pHba->channel[bus_no].device[scsi_id]; @@ -2637,7 +2658,8 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) pDev = pDev->next_lun; } if(!pDev ) { // Something new add it - d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); + d = kmalloc(sizeof(struct i2o_device), + GFP_ATOMIC); if(d==NULL) { printk(KERN_CRIT "Out of memory for I2O device data.\n"); @@ -2653,13 +2675,11 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) adpt_i2o_report_hba_unit(pHba, d); adpt_i2o_install_device(pHba, d); - if(bus_no >= MAX_CHANNEL) { // Something wrong skip it - printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); - continue; - } pDev = pHba->channel[bus_no].device[scsi_id]; if( pDev == NULL){ - pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev = + kzalloc(sizeof(struct adpt_device), + GFP_ATOMIC); if(pDev == NULL) { return -ENOMEM; } @@ -2668,7 +2688,9 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) while (pDev->next_lun) { pDev = pDev->next_lun; } - pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); + pDev = pDev->next_lun = + kzalloc(sizeof(struct adpt_device), + GFP_ATOMIC); if(pDev == NULL) { return -ENOMEM; } @@ -3113,7 +3135,7 @@ static int adpt_i2o_lct_get(adpt_hba* pHba) if (pHba->lct == NULL) { pHba->lct = dma_alloc_coherent(&pHba->pDev->dev, pHba->lct_size, &pHba->lct_pa, - GFP_KERNEL); + GFP_ATOMIC); if(pHba->lct == NULL) { printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n", pHba->name); |