hv: Remove unnecessary comparison of unsigned against 0

pfncount is of type u32 and thus can never be smaller than 0.

Found by the coverity scanner, CID 143213.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 740edec..284cf66 100644 (file)
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -682,8 +682,7 @@ int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
        u32 pfncount = NUM_PAGES_SPANNED(multi_pagebuffer->offset,
                                         multi_pagebuffer->len);
 
-
-       if ((pfncount < 0) || (pfncount > MAX_MULTIPAGE_BUFFER_COUNT))
+       if (pfncount > MAX_MULTIPAGE_BUFFER_COUNT)
                return -EINVAL;
 
        /*