From 4a6d87f1db06c9670251d6c72a89319e7d1cbaee Mon Sep 17 00:00:00 2001 From: Steve French Date: Sat, 13 Aug 2005 08:15:54 -0700 Subject: [PATCH] [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) --- fs/cifs/cifssmb.c | 24 +++++++++++------------- fs/cifs/dir.c | 6 +++--- 2 files changed, 14 insertions(+), 16 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/* Note: On -EAGAIN error only caller can retry on handle based calls since file handle passed in no longer valid */ @@ -2520,12 +2519,11 @@ CIFSFindFirst(const int xid, struct cifsTconInfo *tcon, rc = SendReceive(xid, tcon-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 */ diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index c0f20fc09290..c619d45060ce 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -226,7 +226,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode, } if (rc != 0) { - cFYI(1,("Create worked but get_inode_info failed with rc = %d", + cFYI(1, + ("Create worked but get_inode_info failed rc = %d", rc)); } else { direntry->d_op = &cifs_dentry_ops; @@ -303,8 +304,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t dev up(&direntry->d_sb->s_vfs_rename_sem); if(full_path == NULL) rc = -ENOMEM; - - if (full_path && (pTcon->ses->capabilities & CAP_UNIX)) { + else if (pTcon->ses->capabilities & CAP_UNIX) { if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,(__u64)current->euid,(__u64)current->egid, -- GitLab