cifs: change ERRnomem error mapping from ENOMEM to EREMOTEIO (cce0244a) · Commits · 戴 / test

Sometimes, the server will report an error that basically indicates that it's running out of resources. These include these under SMB1: NT_STATUS_NO_MEMORY NT_STATUS_SECTION_TOO_BIG NT_STATUS_TOO_MANY_PAGING_FILES ...and this one under SMB2: STATUS_NO_MEMORY Currently, this gets mapped to ENOMEM by the client, but that's confusing as an ENOMEM error is typically an indicator that the client is out of memory. Change these errors to instead map to EREMOTEIO to indicate that the problem is actually server-side and not on the client. Reported-by:

"ISHIKAWA,chiaki" <ishikawa@yk.rim.or.jp> Signed-off-by:

Jeff Layton <jlayton@redhat.com> Signed-off-by:

Steve French <smfrench@gmail.com>

fs/cifs/netmisc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -51,7 +51,7 @@ static const struct smb_to_posix_error mapping_table_ERRDOS[] = {
		{ERRnoaccess, -EACCES},
		{ERRbadfid, -EBADF},
		{ERRbadmcb, -EIO},
		{ERRnomem, -ENOMEM},
		{ERRnomem, -EREMOTEIO},
		{ERRbadmem, -EFAULT},
		{ERRbadenv, -EFAULT},
		{ERRbadformat, -EINVAL},

fs/cifs/smb2maperror.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -306,7 +306,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
		{STATUS_NONEXISTENT_SECTOR, -EIO, "STATUS_NONEXISTENT_SECTOR"},
		{STATUS_MORE_PROCESSING_REQUIRED, -EIO,
		"STATUS_MORE_PROCESSING_REQUIRED"},
		{STATUS_NO_MEMORY, -ENOMEM, "STATUS_NO_MEMORY"},
		{STATUS_NO_MEMORY, -EREMOTEIO, "STATUS_NO_MEMORY"},
		{STATUS_CONFLICTING_ADDRESSES, -EADDRINUSE,
		"STATUS_CONFLICTING_ADDRESSES"},
		{STATUS_NOT_MAPPED_VIEW, -EIO, "STATUS_NOT_MAPPED_VIEW"},

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