Commit c55c7a85 authored by Tiwei Bie's avatar Tiwei Bie Committed by Johannes Berg
Browse files

um: ubd: Add missing error check in start_io_thread() 



The subsequent call to os_set_fd_block() overwrites the previous
return value. OR the two return values together to fix it.

Fixes: f88f0bdf ("um: UBD Improvements")
Signed-off-by: default avatarTiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20250606124428.148164-2-tiwei.btw@antgroup.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 86731a2a

arch/um/drivers/ubd_user.c

+1 −1
Original line number Diff line number Diff line
@@ -41,7 +41,7 @@ int start_io_thread(struct os_helper_thread **td_out, int *fd_out) 
	*fd_out = fds[1];



	err = os_set_fd_block(*fd_out, 0);

	err = os_set_fd_block(kernel_fd, 0);

	err |= os_set_fd_block(kernel_fd, 0);

	if (err) {

		printk("start_io_thread - failed to set nonblocking I/O.\n");

		goto out_close;