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filemon_ioctl: Handle error from devfs_get_cdevpriv(9).

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MFC after:	2 weeks
Sponsored by:	EMC / Isilon Storage Division
This commit is contained in:
Bryan Drewery 2016-01-27 21:12:18 +00:00
parent 13f727c862
commit e8c87a09dc
1 changed files with 2 additions and 1 deletions
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3
sys/dev/filemon/filemon.c
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@ -143,7 +143,8 @@ filemon_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag __unused,
cap_rights_t rights;
#endif
devfs_get_cdevpriv((void **) &filemon);
if ((error = devfs_get_cdevpriv((void **) &filemon)) != 0)
return (error);
switch (cmd) {
/* Set the output file descriptor. */