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| author |   Zhen Lei <thunder.leizhen@huawei.com> | 2021-05-08 11:22:39 +0800 |
|---|---|---|
| committer |   Richard Weinberger <richard@nod.at> | 2021-06-17 22:10:56 +0200 |
| commit | ccf1236ecac476d9d2704866d9a476c86e387971 (patch) | |
| tree | 536f7bbf74f1b2d2680f2e2a5e0e688800a33ae5 /arch/um/drivers/chan_user.c | |
| parent | um: fix error return code in slip_open() (diff) | |
| download | linux-dev-ccf1236ecac476d9d2704866d9a476c86e387971.tar.xz linux-dev-ccf1236ecac476d9d2704866d9a476c86e387971.zip | |
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: 89df6bfc0405 ("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>
Diffstat (limited to 'arch/um/drivers/chan_user.c')
| -rw-r--r-- | arch/um/drivers/chan_user.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index d8845d4aac6a..6040817c036f 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -256,7 +256,8 @@ static int winch_tramp(int fd, struct tty_port *port, int *fd_out, goto out_close; } - if (os_set_fd_block(*fd_out, 0)) { + err = os_set_fd_block(*fd_out, 0); + if (err) { printk(UM_KERN_ERR "winch_tramp: failed to set thread_fd " "non-blocking.\n"); goto out_close; |