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Diffstat (limited to 'net/rds/info.c')
-rw-r--r--net/rds/info.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/rds/info.c b/net/rds/info.c
index c45c4173a44d..4fdf1b6e84ff 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -76,7 +76,7 @@ void rds_info_register_func(int optname, rds_info_func func)
76 BUG_ON(optname < RDS_INFO_FIRST || optname > RDS_INFO_LAST); 76 BUG_ON(optname < RDS_INFO_FIRST || optname > RDS_INFO_LAST);
77 77
78 spin_lock(&rds_info_lock); 78 spin_lock(&rds_info_lock);
79 BUG_ON(rds_info_funcs[offset] != NULL); 79 BUG_ON(rds_info_funcs[offset]);
80 rds_info_funcs[offset] = func; 80 rds_info_funcs[offset] = func;
81 spin_unlock(&rds_info_lock); 81 spin_unlock(&rds_info_lock);
82} 82}
@@ -102,7 +102,7 @@ EXPORT_SYMBOL_GPL(rds_info_deregister_func);
102 */ 102 */
103void rds_info_iter_unmap(struct rds_info_iterator *iter) 103void rds_info_iter_unmap(struct rds_info_iterator *iter)
104{ 104{
105 if (iter->addr != NULL) { 105 if (iter->addr) {
106 kunmap_atomic(iter->addr, KM_USER0); 106 kunmap_atomic(iter->addr, KM_USER0);
107 iter->addr = NULL; 107 iter->addr = NULL;
108 } 108 }
@@ -117,7 +117,7 @@ void rds_info_copy(struct rds_info_iterator *iter, void *data,
117 unsigned long this; 117 unsigned long this;
118 118
119 while (bytes) { 119 while (bytes) {
120 if (iter->addr == NULL) 120 if (!iter->addr)
121 iter->addr = kmap_atomic(*iter->pages, KM_USER0); 121 iter->addr = kmap_atomic(*iter->pages, KM_USER0);
122 122
123 this = min(bytes, PAGE_SIZE - iter->offset); 123 this = min(bytes, PAGE_SIZE - iter->offset);
@@ -188,7 +188,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
188 >> PAGE_SHIFT; 188 >> PAGE_SHIFT;
189 189
190 pages = kmalloc(nr_pages * sizeof(struct page *), GFP_KERNEL); 190 pages = kmalloc(nr_pages * sizeof(struct page *), GFP_KERNEL);
191 if (pages == NULL) { 191 if (!pages) {
192 ret = -ENOMEM; 192 ret = -ENOMEM;
193 goto out; 193 goto out;
194 } 194 }
@@ -206,7 +206,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
206 206
207call_func: 207call_func:
208 func = rds_info_funcs[optname - RDS_INFO_FIRST]; 208 func = rds_info_funcs[optname - RDS_INFO_FIRST];
209 if (func == NULL) { 209 if (!func) {
210 ret = -ENOPROTOOPT; 210 ret = -ENOPROTOOPT;
211 goto out; 211 goto out;
212 } 212 }
@@ -234,7 +234,7 @@ call_func:
234 ret = -EFAULT; 234 ret = -EFAULT;
235 235
236out: 236out:
237 for (i = 0; pages != NULL && i < nr_pages; i++) 237 for (i = 0; pages && i < nr_pages; i++)
238 put_page(pages[i]); 238 put_page(pages[i]);
239 kfree(pages); 239 kfree(pages);
240 240