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path: root/fs/cifs/smb2transport.c
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Diffstat (limited to 'fs/cifs/smb2transport.c')
-rw-r--r--fs/cifs/smb2transport.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 7b351c65ee46..63264db78b89 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -576,6 +576,7 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
struct TCP_Server_Info *server)
{
struct mid_q_entry *temp;
+ unsigned int credits = le16_to_cpu(shdr->CreditCharge);
if (server == NULL) {
cifs_dbg(VFS, "Null TCP session in smb2_mid_entry_alloc\n");
@@ -586,6 +587,7 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
memset(temp, 0, sizeof(struct mid_q_entry));
kref_init(&temp->refcount);
temp->mid = le64_to_cpu(shdr->MessageId);
+ temp->credits = credits > 0 ? credits : 1;
temp->pid = current->pid;
temp->command = shdr->Command; /* Always LE */
temp->when_alloc = jiffies;
@@ -674,13 +676,18 @@ smb2_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst)
smb2_seq_num_into_buf(ses->server, shdr);
rc = smb2_get_mid_entry(ses, shdr, &mid);
- if (rc)
+ if (rc) {
+ revert_current_mid_from_hdr(ses->server, shdr);
return ERR_PTR(rc);
+ }
+
rc = smb2_sign_rqst(rqst, ses->server);
if (rc) {
+ revert_current_mid_from_hdr(ses->server, shdr);
cifs_delete_mid(mid);
return ERR_PTR(rc);
}
+
return mid;
}
@@ -695,11 +702,14 @@ smb2_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst)
smb2_seq_num_into_buf(server, shdr);
mid = smb2_mid_entry_alloc(shdr, server);
- if (mid == NULL)
+ if (mid == NULL) {
+ revert_current_mid_from_hdr(server, shdr);
return ERR_PTR(-ENOMEM);
+ }
rc = smb2_sign_rqst(rqst, server);
if (rc) {
+ revert_current_mid_from_hdr(server, shdr);
DeleteMidQEntry(mid);
return ERR_PTR(rc);
}