[CIFS] Fix suspend/resume problem which causes EIO on subsequent access to
the mount. Signed-off-by: Pavel Machek <pavel@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
committed by
Steve French
parent
6344a423e5
commit
0fd1ffe063
@@ -367,20 +367,20 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
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continue;
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continue;
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if (bigbuf == NULL) {
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if (bigbuf == NULL) {
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bigbuf = cifs_buf_get();
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bigbuf = cifs_buf_get();
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if(bigbuf == NULL) {
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if (!bigbuf) {
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cERROR(1, ("No memory for large SMB response"));
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cERROR(1, ("No memory for large SMB response"));
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msleep(3000);
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msleep(3000);
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/* retry will check if exiting */
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/* retry will check if exiting */
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continue;
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continue;
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}
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}
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} else if (isLargeBuf) {
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} else if (isLargeBuf) {
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/* we are reusing a dirtry large buf, clear its start */
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/* we are reusing a dirty large buf, clear its start */
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memset(bigbuf, 0, sizeof (struct smb_hdr));
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memset(bigbuf, 0, sizeof (struct smb_hdr));
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}
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}
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if (smallbuf == NULL) {
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if (smallbuf == NULL) {
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smallbuf = cifs_small_buf_get();
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smallbuf = cifs_small_buf_get();
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if(smallbuf == NULL) {
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if (!smallbuf) {
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cERROR(1, ("No memory for SMB response"));
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cERROR(1, ("No memory for SMB response"));
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msleep(1000);
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msleep(1000);
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/* retry will check if exiting */
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/* retry will check if exiting */
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@@ -423,7 +423,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
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and so simply return error to mount */
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and so simply return error to mount */
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break;
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break;
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}
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}
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if(length == -EINTR) {
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if (!try_to_freeze() && (length == -EINTR)) {
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cFYI(1,("cifsd thread killed"));
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cFYI(1,("cifsd thread killed"));
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break;
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break;
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}
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}
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