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Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c55
1 files changed, 36 insertions, 19 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 848b59466850..040f751809ea 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1185,7 +1185,7 @@ sg_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
1185 return VM_FAULT_SIGBUS; 1185 return VM_FAULT_SIGBUS;
1186} 1186}
1187 1187
1188static struct vm_operations_struct sg_mmap_vm_ops = { 1188static const struct vm_operations_struct sg_mmap_vm_ops = {
1189 .fault = sg_vma_fault, 1189 .fault = sg_vma_fault,
1190}; 1190};
1191 1191
@@ -1317,7 +1317,7 @@ static void sg_rq_end_io(struct request *rq, int uptodate)
1317 } 1317 }
1318} 1318}
1319 1319
1320static struct file_operations sg_fops = { 1320static const struct file_operations sg_fops = {
1321 .owner = THIS_MODULE, 1321 .owner = THIS_MODULE,
1322 .read = sg_read, 1322 .read = sg_read,
1323 .write = sg_write, 1323 .write = sg_write,
@@ -1708,11 +1708,6 @@ static int sg_finish_rem_req(Sg_request * srp)
1708 Sg_scatter_hold *req_schp = &srp->data; 1708 Sg_scatter_hold *req_schp = &srp->data;
1709 1709
1710 SCSI_LOG_TIMEOUT(4, printk("sg_finish_rem_req: res_used=%d\n", (int) srp->res_used)); 1710 SCSI_LOG_TIMEOUT(4, printk("sg_finish_rem_req: res_used=%d\n", (int) srp->res_used));
1711 if (srp->res_used)
1712 sg_unlink_reserve(sfp, srp);
1713 else
1714 sg_remove_scat(req_schp);
1715
1716 if (srp->rq) { 1711 if (srp->rq) {
1717 if (srp->bio) 1712 if (srp->bio)
1718 ret = blk_rq_unmap_user(srp->bio); 1713 ret = blk_rq_unmap_user(srp->bio);
@@ -1720,6 +1715,11 @@ static int sg_finish_rem_req(Sg_request * srp)
1720 blk_put_request(srp->rq); 1715 blk_put_request(srp->rq);
1721 } 1716 }
1722 1717
1718 if (srp->res_used)
1719 sg_unlink_reserve(sfp, srp);
1720 else
1721 sg_remove_scat(req_schp);
1722
1723 sg_remove_request(sfp, srp); 1723 sg_remove_request(sfp, srp);
1724 1724
1725 return ret; 1725 return ret;
@@ -2194,9 +2194,11 @@ static int sg_proc_seq_show_int(struct seq_file *s, void *v);
2194static int sg_proc_single_open_adio(struct inode *inode, struct file *file); 2194static int sg_proc_single_open_adio(struct inode *inode, struct file *file);
2195static ssize_t sg_proc_write_adio(struct file *filp, const char __user *buffer, 2195static ssize_t sg_proc_write_adio(struct file *filp, const char __user *buffer,
2196 size_t count, loff_t *off); 2196 size_t count, loff_t *off);
2197static struct file_operations adio_fops = { 2197static const struct file_operations adio_fops = {
2198 /* .owner, .read and .llseek added in sg_proc_init() */ 2198 .owner = THIS_MODULE,
2199 .open = sg_proc_single_open_adio, 2199 .open = sg_proc_single_open_adio,
2200 .read = seq_read,
2201 .llseek = seq_lseek,
2200 .write = sg_proc_write_adio, 2202 .write = sg_proc_write_adio,
2201 .release = single_release, 2203 .release = single_release,
2202}; 2204};
@@ -2204,23 +2206,32 @@ static struct file_operations adio_fops = {
2204static int sg_proc_single_open_dressz(struct inode *inode, struct file *file); 2206static int sg_proc_single_open_dressz(struct inode *inode, struct file *file);
2205static ssize_t sg_proc_write_dressz(struct file *filp, 2207static ssize_t sg_proc_write_dressz(struct file *filp,
2206 const char __user *buffer, size_t count, loff_t *off); 2208 const char __user *buffer, size_t count, loff_t *off);
2207static struct file_operations dressz_fops = { 2209static const struct file_operations dressz_fops = {
2210 .owner = THIS_MODULE,
2208 .open = sg_proc_single_open_dressz, 2211 .open = sg_proc_single_open_dressz,
2212 .read = seq_read,
2213 .llseek = seq_lseek,
2209 .write = sg_proc_write_dressz, 2214 .write = sg_proc_write_dressz,
2210 .release = single_release, 2215 .release = single_release,
2211}; 2216};
2212 2217
2213static int sg_proc_seq_show_version(struct seq_file *s, void *v); 2218static int sg_proc_seq_show_version(struct seq_file *s, void *v);
2214static int sg_proc_single_open_version(struct inode *inode, struct file *file); 2219static int sg_proc_single_open_version(struct inode *inode, struct file *file);
2215static struct file_operations version_fops = { 2220static const struct file_operations version_fops = {
2221 .owner = THIS_MODULE,
2216 .open = sg_proc_single_open_version, 2222 .open = sg_proc_single_open_version,
2223 .read = seq_read,
2224 .llseek = seq_lseek,
2217 .release = single_release, 2225 .release = single_release,
2218}; 2226};
2219 2227
2220static int sg_proc_seq_show_devhdr(struct seq_file *s, void *v); 2228static int sg_proc_seq_show_devhdr(struct seq_file *s, void *v);
2221static int sg_proc_single_open_devhdr(struct inode *inode, struct file *file); 2229static int sg_proc_single_open_devhdr(struct inode *inode, struct file *file);
2222static struct file_operations devhdr_fops = { 2230static const struct file_operations devhdr_fops = {
2231 .owner = THIS_MODULE,
2223 .open = sg_proc_single_open_devhdr, 2232 .open = sg_proc_single_open_devhdr,
2233 .read = seq_read,
2234 .llseek = seq_lseek,
2224 .release = single_release, 2235 .release = single_release,
2225}; 2236};
2226 2237
@@ -2229,8 +2240,11 @@ static int sg_proc_open_dev(struct inode *inode, struct file *file);
2229static void * dev_seq_start(struct seq_file *s, loff_t *pos); 2240static void * dev_seq_start(struct seq_file *s, loff_t *pos);
2230static void * dev_seq_next(struct seq_file *s, void *v, loff_t *pos); 2241static void * dev_seq_next(struct seq_file *s, void *v, loff_t *pos);
2231static void dev_seq_stop(struct seq_file *s, void *v); 2242static void dev_seq_stop(struct seq_file *s, void *v);
2232static struct file_operations dev_fops = { 2243static const struct file_operations dev_fops = {
2244 .owner = THIS_MODULE,
2233 .open = sg_proc_open_dev, 2245 .open = sg_proc_open_dev,
2246 .read = seq_read,
2247 .llseek = seq_lseek,
2234 .release = seq_release, 2248 .release = seq_release,
2235}; 2249};
2236static const struct seq_operations dev_seq_ops = { 2250static const struct seq_operations dev_seq_ops = {
@@ -2242,8 +2256,11 @@ static const struct seq_operations dev_seq_ops = {
2242 2256
2243static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v); 2257static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v);
2244static int sg_proc_open_devstrs(struct inode *inode, struct file *file); 2258static int sg_proc_open_devstrs(struct inode *inode, struct file *file);
2245static struct file_operations devstrs_fops = { 2259static const struct file_operations devstrs_fops = {
2260 .owner = THIS_MODULE,
2246 .open = sg_proc_open_devstrs, 2261 .open = sg_proc_open_devstrs,
2262 .read = seq_read,
2263 .llseek = seq_lseek,
2247 .release = seq_release, 2264 .release = seq_release,
2248}; 2265};
2249static const struct seq_operations devstrs_seq_ops = { 2266static const struct seq_operations devstrs_seq_ops = {
@@ -2255,8 +2272,11 @@ static const struct seq_operations devstrs_seq_ops = {
2255 2272
2256static int sg_proc_seq_show_debug(struct seq_file *s, void *v); 2273static int sg_proc_seq_show_debug(struct seq_file *s, void *v);
2257static int sg_proc_open_debug(struct inode *inode, struct file *file); 2274static int sg_proc_open_debug(struct inode *inode, struct file *file);
2258static struct file_operations debug_fops = { 2275static const struct file_operations debug_fops = {
2276 .owner = THIS_MODULE,
2259 .open = sg_proc_open_debug, 2277 .open = sg_proc_open_debug,
2278 .read = seq_read,
2279 .llseek = seq_lseek,
2260 .release = seq_release, 2280 .release = seq_release,
2261}; 2281};
2262static const struct seq_operations debug_seq_ops = { 2282static const struct seq_operations debug_seq_ops = {
@@ -2269,7 +2289,7 @@ static const struct seq_operations debug_seq_ops = {
2269 2289
2270struct sg_proc_leaf { 2290struct sg_proc_leaf {
2271 const char * name; 2291 const char * name;
2272 struct file_operations * fops; 2292 const struct file_operations * fops;
2273}; 2293};
2274 2294
2275static struct sg_proc_leaf sg_proc_leaf_arr[] = { 2295static struct sg_proc_leaf sg_proc_leaf_arr[] = {
@@ -2295,9 +2315,6 @@ sg_proc_init(void)
2295 for (k = 0; k < num_leaves; ++k) { 2315 for (k = 0; k < num_leaves; ++k) {
2296 leaf = &sg_proc_leaf_arr[k]; 2316 leaf = &sg_proc_leaf_arr[k];
2297 mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO; 2317 mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO;
2298 leaf->fops->owner = THIS_MODULE;
2299 leaf->fops->read = seq_read;
2300 leaf->fops->llseek = seq_lseek;
2301 proc_create(leaf->name, mask, sg_proc_sgp, leaf->fops); 2318 proc_create(leaf->name, mask, sg_proc_sgp, leaf->fops);
2302 } 2319 }
2303 return 0; 2320 return 0;