diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index b3c9d8c310f2e15c608b9afc9ec3eaf3ee86896f..0f2781677cccd2063fb9abf5fb2121c8c9bce3c4 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2912,16 +2912,14 @@ match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data)
 {
 	struct cifs_sb_info *old = CIFS_SB(sb);
 	struct cifs_sb_info *new = mnt_data->cifs_sb;
+	bool old_set = old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
+	bool new_set = new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH;
 
-	if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) {
-		if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH))
-			return 0;
-		/* The prepath should be null terminated strings */
-		if (strcmp(new->prepath, old->prepath))
-			return 0;
-
+	if (old_set && new_set && !strcmp(new->prepath, old->prepath))
 		return 1;
-	}
+	else if (!old_set && !new_set)
+		return 1;
+
 	return 0;
 }
 
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 265c45fe4ea5e5246f5304480c2b4b66bf9d6c73..7f4bba574930b5886eb69218eb11b0aea1076d31 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -74,7 +74,8 @@ static long cifs_ioctl_copychunk(unsigned int xid, struct file *dst_file,
 
 	rc = cifs_file_copychunk_range(xid, src_file.file, 0, dst_file, 0,
 					src_inode->i_size, 0);
-
+	if (rc > 0)
+		rc = 0;
 out_fput:
 	fdput(src_file);
 out_drop_write:
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index d3fb11529ed96054ac753a9e26898942bb708d56..843787850435087f908c1dec15e28669687d9f2b 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -167,13 +167,11 @@ cifs_buf_get(void)
 
 	/* clear the first few header bytes */
 	/* for most paths, more is cleared in header_assemble */
-	if (ret_buf) {
-		memset(ret_buf, 0, buf_size + 3);
-		atomic_inc(&bufAllocCount);
+	memset(ret_buf, 0, buf_size + 3);
+	atomic_inc(&bufAllocCount);
 #ifdef CONFIG_CIFS_STATS2
-		atomic_inc(&totBufAllocCount);
+	atomic_inc(&totBufAllocCount);
 #endif /* CONFIG_CIFS_STATS2 */
-	}
 
 	return ret_buf;
 }
@@ -201,15 +199,13 @@ cifs_small_buf_get(void)
    albeit slightly larger than necessary and maxbuffersize
    defaults to this and can not be bigger */
 	ret_buf = mempool_alloc(cifs_sm_req_poolp, GFP_NOFS);
-	if (ret_buf) {
 	/* No need to clear memory here, cleared in header assemble */
 	/*	memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/
-		atomic_inc(&smBufAllocCount);
+	atomic_inc(&smBufAllocCount);
 #ifdef CONFIG_CIFS_STATS2
-		atomic_inc(&totSmBufAllocCount);
+	atomic_inc(&totSmBufAllocCount);
 #endif /* CONFIG_CIFS_STATS2 */
 
-	}
 	return ret_buf;
 }
 
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 506b67fc93d9611ea859cf738126fb2d67e52e16..c69ec96e92acb8613db1585d855fa54dce426a5d 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -538,23 +538,19 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
 	}
 
 	temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
-	if (temp == NULL)
-		return temp;
-	else {
-		memset(temp, 0, sizeof(struct mid_q_entry));
-		temp->mid = le64_to_cpu(shdr->MessageId);
-		temp->pid = current->pid;
-		temp->command = shdr->Command; /* Always LE */
-		temp->when_alloc = jiffies;
-		temp->server = server;
-
-		/*
-		 * The default is for the mid to be synchronous, so the
-		 * default callback just wakes up the current task.
-		 */
-		temp->callback = cifs_wake_up_task;
-		temp->callback_data = current;
-	}
+	memset(temp, 0, sizeof(struct mid_q_entry));
+	temp->mid = le64_to_cpu(shdr->MessageId);
+	temp->pid = current->pid;
+	temp->command = shdr->Command; /* Always LE */
+	temp->when_alloc = jiffies;
+	temp->server = server;
+
+	/*
+	 * The default is for the mid to be synchronous, so the
+	 * default callback just wakes up the current task.
+	 */
+	temp->callback = cifs_wake_up_task;
+	temp->callback_data = current;
 
 	atomic_inc(&midCount);
 	temp->mid_state = MID_REQUEST_ALLOCATED;
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index f6e13a977fc8e907e3fa89fc0a5d14a4ab0eccd5..4d64b5b8fc9c6fae67f7f3e0ec74284548ff7c32 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -55,26 +55,22 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server)
 	}
 
 	temp = mempool_alloc(cifs_mid_poolp, GFP_NOFS);
-	if (temp == NULL)
-		return temp;
-	else {
-		memset(temp, 0, sizeof(struct mid_q_entry));
-		temp->mid = get_mid(smb_buffer);
-		temp->pid = current->pid;
-		temp->command = cpu_to_le16(smb_buffer->Command);
-		cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
+	memset(temp, 0, sizeof(struct mid_q_entry));
+	temp->mid = get_mid(smb_buffer);
+	temp->pid = current->pid;
+	temp->command = cpu_to_le16(smb_buffer->Command);
+	cifs_dbg(FYI, "For smb_command %d\n", smb_buffer->Command);
 	/*	do_gettimeofday(&temp->when_sent);*/ /* easier to use jiffies */
-		/* when mid allocated can be before when sent */
-		temp->when_alloc = jiffies;
-		temp->server = server;
+	/* when mid allocated can be before when sent */
+	temp->when_alloc = jiffies;
+	temp->server = server;
 
-		/*
-		 * The default is for the mid to be synchronous, so the
-		 * default callback just wakes up the current task.
-		 */
-		temp->callback = cifs_wake_up_task;
-		temp->callback_data = current;
-	}
+	/*
+	 * The default is for the mid to be synchronous, so the
+	 * default callback just wakes up the current task.
+	 */
+	temp->callback = cifs_wake_up_task;
+	temp->callback_data = current;
 
 	atomic_inc(&midCount);
 	temp->mid_state = MID_REQUEST_ALLOCATED;