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| author | Steve French <sfrench@us.ibm.com> | 2005-08-13 08:15:54 -0700 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-08-13 08:15:54 -0700 |
| commit | 4a6d87f1db06c9670251d6c72a89319e7d1cbaee (patch) | |
| tree | aa21e8220215933742f931a452d7d96839b93c2b /fs/cifs/cifssmb.c | |
| parent | a47fd3f5e3a3f970ac1b81643ac56737f97a1fea (diff) | |
| download | linux-4a6d87f1db06c9670251d6c72a89319e7d1cbaee.tar.gz linux-4a6d87f1db06c9670251d6c72a89319e7d1cbaee.tar.bz2 linux-4a6d87f1db06c9670251d6c72a89319e7d1cbaee.zip | |
[CIFS] Add missing check for path name allocation failure. Remove four
redundant null pointer checks before cifs_buf_release.
Found by coverity analyzer.
Signed-off-by: Steve French (sfrench@us.ibm.com)
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index e555cb5cf493..459320222cf7 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -415,15 +415,16 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses) if(server->secMode & SECMODE_SIGN_REQUIRED) cERROR(1, ("Server requires /proc/fs/cifs/PacketSigningEnabled")); - server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); + server->secMode &= ~(SECMODE_SIGN_ENABLED | + SECMODE_SIGN_REQUIRED); } else if(sign_CIFS_PDUs == 1) { if((server->secMode & SECMODE_SIGN_REQUIRED) == 0) - server->secMode &= ~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED); + server->secMode &= ~(SECMODE_SIGN_ENABLED | + SECMODE_SIGN_REQUIRED); } } - if (pSMB) - cifs_buf_release(pSMB); + cifs_buf_release(pSMB); return rc; } @@ -537,9 +538,8 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses) rc = -ESHUTDOWN; } } - if (pSMB) - cifs_small_buf_release(pSMB); - up(&ses->sesSem); + up(&ses->sesSem) + cifs_small_buf_release(pSMB); /* if session dead then we do not need to do ulogoff, since server closed smb session, no sense reporting @@ -1796,8 +1796,7 @@ CIFSSMBQueryReparseLinkInfo(const int xid, struct cifsTconInfo *tcon, } } qreparse_out: - if (pSMB) - cifs_buf_release(pSMB); + cifs_buf_release(pSMB); /* Note: On -EAGAIN error only caller can retry on handle based calls since file handle passed in no longer valid */ @@ -2520,12 +2519,11 @@ findFirstRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); - if (rc) {/* BB add logic to retry regular search if Unix search rejected unexpectedly by server */ + if (rc) {/* BB add logic to retry regular search if Unix search + rejected unexpectedly by server */ /* BB Add code to handle unsupported level rc */ cFYI(1, ("Error in FindFirst = %d", rc)); - - if (pSMB) - cifs_buf_release(pSMB); + cifs_buf_release(pSMB); /* BB eventually could optimize out free and realloc of buf */ /* for this case */ |