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author | Bill Pemberton | 2009-07-28 19:46:22 +0200 |
---|---|---|
committer | Greg Kroah-Hartman | 2009-09-15 21:01:52 +0200 |
commit | 2295ba2e7c4141e864f66830b07e635245233a3d (patch) | |
tree | 171fce7ebd2a1a770b98b7825d0d31d5b76abccc /drivers/staging/hv/netvsc_drv.c | |
parent | Staging: hv: Transform PDEVICE_OBJECT and DEVICE_OBJECT typedefs into their c... (diff) | |
download | kernel-qcow2-linux-2295ba2e7c4141e864f66830b07e635245233a3d.tar.gz kernel-qcow2-linux-2295ba2e7c4141e864f66830b07e635245233a3d.tar.xz kernel-qcow2-linux-2295ba2e7c4141e864f66830b07e635245233a3d.zip |
Staging: hv: check return value of driver_for_each_device()
The return value of driver_for_each_device() is now checked. A
non-zero value simply generates a warning message, but it's better
than not checking at all.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv/netvsc_drv.c')
-rw-r--r-- | drivers/staging/hv/netvsc_drv.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c index f0df216028ad..9010f0e2ce68 100644 --- a/drivers/staging/hv/netvsc_drv.c +++ b/drivers/staging/hv/netvsc_drv.c @@ -638,8 +638,8 @@ void netvsc_drv_exit(void) { NETVSC_DRIVER_OBJECT *netvsc_drv_obj=&g_netvsc_drv.drv_obj; struct driver_context *drv_ctx=&g_netvsc_drv.drv_ctx; - struct device *current_dev=NULL; + int ret; DPRINT_ENTER(NETVSC_DRV); @@ -648,7 +648,14 @@ void netvsc_drv_exit(void) current_dev = NULL; /* Get the device */ - driver_for_each_device(&drv_ctx->driver, NULL, (void*)¤t_dev, netvsc_drv_exit_cb); + ret = driver_for_each_device(&drv_ctx->driver, NULL, + (void *) ¤t_dev, + netvsc_drv_exit_cb); + + if (ret) + DPRINT_WARN(NETVSC_DRV, + "driver_for_each_device returned %d", ret); + if (current_dev == NULL) break; |