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um: fix error return code in winch_tramp()
Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.
Fixes: 89df6bfc04
("uml: DEBUG_SHIRQ fixes")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-By: anton.ivanov@cambridgegreys.com
Signed-off-by: Richard Weinberger <richard@nod.at>
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1 changed files with 2 additions and 1 deletions
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@ -256,7 +256,8 @@ static int winch_tramp(int fd, struct tty_port *port, int *fd_out,
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goto out_close;
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}
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if (os_set_fd_block(*fd_out, 0)) {
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err = os_set_fd_block(*fd_out, 0);
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if (err) {
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printk(UM_KERN_ERR "winch_tramp: failed to set thread_fd "
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"non-blocking.\n");
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goto out_close;
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