Author: kevlo
Date: Tue Nov 13 05:58:52 2012
New Revision: 242947
URL: http://svnweb.freebsd.org/changeset/base/242947
Log:
Check the return value of uiomove(9).
Modified:
head/sys/dev/iicbus/iic.c
Modified: head/sys/dev/iicbus/iic.c
==============================================================================
--- head/sys/dev/iicbus/iic.c Tue Nov 13 03:56:50 2012 (r242946)
+++ head/sys/dev/iicbus/iic.c Tue Nov 13 05:58:52 2012 (r242947)
@@ -221,7 +221,11 @@ iicwrite(struct cdev *dev, struct uio *
}
count = min(uio->uio_resid, BUFSIZE);
- uiomove(sc->sc_buffer, count, uio);
+ error = uiomove(sc->sc_buffer, count, uio);
+ if (error) {
+ IIC_UNLOCK(sc);
+ return (error);
+ }
error = iicbus_block_write(device_get_parent(iicdev), sc->sc_addr,
sc->sc_buffer, count, &sent);
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