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Translate the ERESTARTSYS error code into ERESTART in the LinuxKPI

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ioctl(), read() and write() system call handlers. This error code is
internal to the kernel and should not be seen by user-space programs
according to Linux.

Submitted by:		Yanko Yankulov <yanko.yankulov@gmail.com>
MFC after:		1 week
Sponsored by:		Mellanox Technologies
This commit is contained in:
hselasky 2017-06-01 09:53:55 +00:00
parent 63be850583
commit d8c3341b93
1 changed files with 6 additions and 0 deletions
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6
sys/compat/linuxkpi/common/src/linux_compat.c
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@ -854,6 +854,8 @@ linux_dev_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
if (error == EWOULDBLOCK)
linux_dev_kqfilter_poll(filp);
else if (error == ERESTARTSYS)
error = ERESTART;
return (error);
}
@ -889,6 +891,8 @@ linux_dev_read(struct cdev *dev, struct uio *uio, int ioflag)
error = -bytes;
if (error == EWOULDBLOCK)
linux_dev_kqfilter_poll(filp);
else if (error == ERESTARTSYS)
error = ERESTART;
}
} else
error = ENXIO;
@ -928,6 +932,8 @@ linux_dev_write(struct cdev *dev, struct uio *uio, int ioflag)
error = -bytes;
if (error == EWOULDBLOCK)
linux_dev_kqfilter_poll(filp);
else if (error == ERESTARTSYS)
error = ERESTART;
}
} else
error = ENXIO;