smb3: fix oops in calculating shash_setkey
shash was not being initialized in one place in smb3_calc_signature and smb2_calc_signature Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de> Acked-by: Tom Talpey <tom@talpey.com> Signed-off-by: Steve French <stfrench@microsoft.com>
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@ -215,7 +215,7 @@ smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server,
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struct kvec *iov = rqst->rq_iov;
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struct smb2_hdr *shdr = (struct smb2_hdr *)iov[0].iov_base;
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struct cifs_ses *ses;
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struct shash_desc *shash;
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struct shash_desc *shash = NULL;
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struct smb_rqst drqst;
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ses = smb2_find_smb_ses(server, le64_to_cpu(shdr->SessionId));
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@ -535,7 +535,7 @@ smb3_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server,
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unsigned char *sigptr = smb3_signature;
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struct kvec *iov = rqst->rq_iov;
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struct smb2_hdr *shdr = (struct smb2_hdr *)iov[0].iov_base;
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struct shash_desc *shash;
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struct shash_desc *shash = NULL;
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struct smb_rqst drqst;
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u8 key[SMB3_SIGN_KEY_SIZE];
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