Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French: "Three cifs/smb3 fixes - including two for stable" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: cifs: don't check for failure from mempool_alloc() Do not return number of bytes written for ioctl CIFS_IOC_COPYCHUNK_FILE Fix match_prepath()
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commit
6fd4e7f774
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@ -2912,16 +2912,14 @@ match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data)
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{
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struct cifs_sb_info *old = CIFS_SB(sb);
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struct cifs_sb_info *new = mnt_data->cifs_sb;
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bool old_set = old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
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bool new_set = new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
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if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) {
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if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH))
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return 0;
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/* The prepath should be null terminated strings */
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if (strcmp(new->prepath, old->prepath))
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return 0;
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if (old_set && new_set && !strcmp(new->prepath, old->prepath))
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return 1;
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}
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else if (!old_set && !new_set)
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return 1;
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return 0;
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}
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@ -74,7 +74,8 @@ static long cifs_ioctl_copychunk(unsigned int xid, struct file *dst_file,
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rc = cifs_file_copychunk_range(xid, src_file.file, 0, dst_file, 0,
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src_inode->i_size, 0);
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if (rc > 0)
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rc = 0;
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out_fput:
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fdput(src_file);
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out_drop_write:
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@ -167,13 +167,11 @@ cifs_buf_get(void)
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/* clear the first few header bytes */
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/* for most paths, more is cleared in header_assemble */
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if (ret_buf) {
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memset(ret_buf, 0, buf_size + 3);
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atomic_inc(&bufAllocCount);
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memset(ret_buf, 0, buf_size + 3);
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atomic_inc(&bufAllocCount);
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#ifdef CONFIG_CIFS_STATS2
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atomic_inc(&totBufAllocCount);
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atomic_inc(&totBufAllocCount);
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#endif /* CONFIG_CIFS_STATS2 */
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}
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return ret_buf;
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}
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@ -201,15 +199,13 @@ cifs_small_buf_get(void)
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albeit slightly larger than necessary and maxbuffersize
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defaults to this and can not be bigger */
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ret_buf = mempool_alloc(cifs_sm_req_poolp, GFP_NOFS);
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if (ret_buf) {
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/* No need to clear memory here, cleared in header assemble */
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/* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
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atomic_inc(&smBufAllocCount);
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atomic_inc(&smBufAllocCount);
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#ifdef CONFIG_CIFS_STATS2
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atomic_inc(&totSmBufAllocCount);
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atomic_inc(&totSmBufAllocCount);
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#endif /* CONFIG_CIFS_STATS2 */
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}
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return ret_buf;
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}
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@ -538,23 +538,19 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
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}
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temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
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if (temp == NULL)
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return temp;
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else {
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memset(temp, 0, sizeof(struct mid_q_entry));
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temp->mid = le64_to_cpu(shdr->MessageId);
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temp->pid = current->pid;
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temp->command = shdr->Command; /* Always LE */
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temp->when_alloc = jiffies;
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temp->server = server;
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memset(temp, 0, sizeof(struct mid_q_entry));
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temp->mid = le64_to_cpu(shdr->MessageId);
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temp->pid = current->pid;
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temp->command = shdr->Command; /* Always LE */
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temp->when_alloc = jiffies;
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temp->server = server;
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/*
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* The default is for the mid to be synchronous, so the
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* default callback just wakes up the current task.
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*/
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temp->callback = cifs_wake_up_task;
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temp->callback_data = current;
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}
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/*
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* The default is for the mid to be synchronous, so the
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* default callback just wakes up the current task.
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*/
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temp->callback = cifs_wake_up_task;
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temp->callback_data = current;
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atomic_inc(&midCount);
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temp->mid_state = MID_REQUEST_ALLOCATED;
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@ -55,26 +55,22 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
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}
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temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
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if (temp == NULL)
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return temp;
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else {
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memset(temp, 0, sizeof(struct mid_q_entry));
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temp->mid = get_mid(smb_buffer);
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temp->pid = current->pid;
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temp->command = cpu_to_le16(smb_buffer->Command);
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cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
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memset(temp, 0, sizeof(struct mid_q_entry));
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temp->mid = get_mid(smb_buffer);
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temp->pid = current->pid;
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temp->command = cpu_to_le16(smb_buffer->Command);
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cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
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/* do_gettimeofday(&temp->when_sent);*/ /* easier to use jiffies */
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/* when mid allocated can be before when sent */
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temp->when_alloc = jiffies;
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temp->server = server;
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/* when mid allocated can be before when sent */
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temp->when_alloc = jiffies;
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temp->server = server;
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/*
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* The default is for the mid to be synchronous, so the
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* default callback just wakes up the current task.
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*/
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temp->callback = cifs_wake_up_task;
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temp->callback_data = current;
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}
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/*
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* The default is for the mid to be synchronous, so the
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* default callback just wakes up the current task.
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*/
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temp->callback = cifs_wake_up_task;
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temp->callback_data = current;
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atomic_inc(&midCount);
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temp->mid_state = MID_REQUEST_ALLOCATED;
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