svn commit: r280060 - head/sys/dev/wpi
Adrian Chadd
adrian at FreeBSD.org
Sun Mar 15 20:20:44 UTC 2015
Author: adrian
Date: Sun Mar 15 20:20:43 2015
New Revision: 280060
URL: https://svnweb.freebsd.org/changeset/base/280060
Log:
Fix error handling in wpi_scan().
PR: kern/197143
Submitted by: Andriy Voskoboinyk <s3erios at gmail.com>
Modified:
head/sys/dev/wpi/if_wpi.c
Modified: head/sys/dev/wpi/if_wpi.c
==============================================================================
--- head/sys/dev/wpi/if_wpi.c Sun Mar 15 20:19:54 2015 (r280059)
+++ head/sys/dev/wpi/if_wpi.c Sun Mar 15 20:20:43 2015 (r280060)
@@ -3600,6 +3600,9 @@ wpi_scan(struct wpi_softc *sc, struct ie
if (sc->sc_scan_timer) {
device_printf(sc->sc_dev, "%s: called whilst scanning!\n",
__func__);
+
+ DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__);
+
return (EAGAIN);
}
@@ -3608,7 +3611,8 @@ wpi_scan(struct wpi_softc *sc, struct ie
device_printf(sc->sc_dev,
"%s: could not allocate buffer for scan command\n",
__func__);
- return ENOMEM;
+ error = ENOMEM;
+ goto fail;
}
hdr = (struct wpi_scan_hdr *)buf;
@@ -3733,10 +3737,17 @@ wpi_scan(struct wpi_softc *sc, struct ie
error = wpi_cmd(sc, WPI_CMD_SCAN, buf, buflen, 1);
free(buf, M_DEVBUF);
+ if (error != 0)
+ goto fail;
+
sc->sc_scan_timer = 5;
DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END, __func__);
+ return 0;
+
+fail: DPRINTF(sc, WPI_DEBUG_TRACE, TRACE_STR_END_ERR, __func__);
+
return error;
}
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