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| author | Daniel Starke <daniel.starke@siemens.com> | 2022-07-07 14:32:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-08 16:14:53 +0300 |
| commit | 7e5b4322cde067e1d0f1bf8f490e93f664a7c843 (patch) | |
| tree | dedd8fcee6a8431c32f000862162e37bc1cf73a7 /drivers/tty/serial/8250/8250_pci.c | |
| parent | 59ff0680ecbfec742b1e0381e7cc46b41eb06647 (diff) | |
| download | linux-7e5b4322cde067e1d0f1bf8f490e93f664a7c843.tar.xz | |
tty: n_gsm: fix missing corner cases in gsmld_poll()
gsmld_poll() currently fails to handle the following corner cases correctly:
- remote party closed the associated tty
Add the missing checks and map those to EPOLLHUP.
Reorder the checks to group them by their reaction.
Fixes: e1eaea46bb40 ("tty: n_gsm line discipline")
Signed-off-by: Daniel Starke <daniel.starke@siemens.com>
Link: https://lore.kernel.org/r/20220707113223.3685-4-daniel.starke@siemens.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/8250/8250_pci.c')
0 files changed, 0 insertions, 0 deletions