diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/ecryptfs/miscdev.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index 3a06f4043df..3c632ec412e 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c | |||
@@ -191,31 +191,32 @@ int ecryptfs_send_miscdev(char *data, size_t data_size, | |||
191 | struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, | 191 | struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type, |
192 | u16 msg_flags, struct ecryptfs_daemon *daemon) | 192 | u16 msg_flags, struct ecryptfs_daemon *daemon) |
193 | { | 193 | { |
194 | int rc = 0; | 194 | struct ecryptfs_message *msg; |
195 | 195 | ||
196 | mutex_lock(&msg_ctx->mux); | 196 | msg = kmalloc((sizeof(*msg) + data_size), GFP_KERNEL); |
197 | msg_ctx->msg = kmalloc((sizeof(*msg_ctx->msg) + data_size), | 197 | if (!msg) { |
198 | GFP_KERNEL); | ||
199 | if (!msg_ctx->msg) { | ||
200 | rc = -ENOMEM; | ||
201 | printk(KERN_ERR "%s: Out of memory whilst attempting " | 198 | printk(KERN_ERR "%s: Out of memory whilst attempting " |
202 | "to kmalloc(%zd, GFP_KERNEL)\n", __func__, | 199 | "to kmalloc(%zd, GFP_KERNEL)\n", __func__, |
203 | (sizeof(*msg_ctx->msg) + data_size)); | 200 | (sizeof(*msg) + data_size)); |
204 | goto out_unlock; | 201 | return -ENOMEM; |
205 | } | 202 | } |
203 | |||
204 | mutex_lock(&msg_ctx->mux); | ||
205 | msg_ctx->msg = msg; | ||
206 | msg_ctx->msg->index = msg_ctx->index; | 206 | msg_ctx->msg->index = msg_ctx->index; |
207 | msg_ctx->msg->data_len = data_size; | 207 | msg_ctx->msg->data_len = data_size; |
208 | msg_ctx->type = msg_type; | 208 | msg_ctx->type = msg_type; |
209 | memcpy(msg_ctx->msg->data, data, data_size); | 209 | memcpy(msg_ctx->msg->data, data, data_size); |
210 | msg_ctx->msg_size = (sizeof(*msg_ctx->msg) + data_size); | 210 | msg_ctx->msg_size = (sizeof(*msg_ctx->msg) + data_size); |
211 | mutex_lock(&daemon->mux); | ||
212 | list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue); | 211 | list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue); |
212 | mutex_unlock(&msg_ctx->mux); | ||
213 | |||
214 | mutex_lock(&daemon->mux); | ||
213 | daemon->num_queued_msg_ctx++; | 215 | daemon->num_queued_msg_ctx++; |
214 | wake_up_interruptible(&daemon->wait); | 216 | wake_up_interruptible(&daemon->wait); |
215 | mutex_unlock(&daemon->mux); | 217 | mutex_unlock(&daemon->mux); |
216 | out_unlock: | 218 | |
217 | mutex_unlock(&msg_ctx->mux); | 219 | return 0; |
218 | return rc; | ||
219 | } | 220 | } |
220 | 221 | ||
221 | /* | 222 | /* |