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60aa49243d
Most fasync implementations do something like:
return fasync_helper(...);
But fasync_helper() will return a positive value at times - a feature used
in at least one place. Thus, a number of other drivers do:
err = fasync_helper(...);
if (err < 0)
return err;
return 0;
In the interests of consistency and more concise code, it makes sense to
map positive return values onto zero where ->fasync() is called.
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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| lmc | ||
| .gitignore | ||
| c101.c | ||
| cosa.c | ||
| cosa.h | ||
| cycx_drv.c | ||
| cycx_main.c | ||
| cycx_x25.c | ||
| dlci.c | ||
| dscc4.c | ||
| farsync.c | ||
| farsync.h | ||
| hd64570.c | ||
| hd64570.h | ||
| hd64572.c | ||
| hd64572.h | ||
| hdlc.c | ||
| hdlc_cisco.c | ||
| hdlc_fr.c | ||
| hdlc_ppp.c | ||
| hdlc_raw.c | ||
| hdlc_raw_eth.c | ||
| hdlc_x25.c | ||
| hostess_sv11.c | ||
| ixp4xx_hss.c | ||
| Kconfig | ||
| lapbether.c | ||
| Makefile | ||
| n2.c | ||
| pc300-falc-lh.h | ||
| pc300.h | ||
| pc300_drv.c | ||
| pc300_tty.c | ||
| pc300too.c | ||
| pci200syn.c | ||
| sbni.c | ||
| sbni.h | ||
| sdla.c | ||
| sealevel.c | ||
| wanxl.c | ||
| wanxl.h | ||
| wanxlfw.inc_shipped | ||
| wanxlfw.S | ||
| x25_asy.c | ||
| x25_asy.h | ||
| z85230.c | ||
| z85230.h | ||