[dpdk-test-report] |WARNING| pw62299 [RFC v2 2/2] net/vhost_dma: add vHost DMA driver

checkpatch at dpdk.org checkpatch at dpdk.org
Mon Nov 4 12:03:18 CET 2019


Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/62299

_coding style issues_


WARNING:STATIC_CONST_CHAR_ARRAY: static const char * array should probably be static const char * const
#240: FILE: drivers/net/vhost_dma/eth_vhost.c:33:
+static const char *valid_arguments[] = {

WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#855: FILE: drivers/net/vhost_dma/eth_vhost.c:648:
+	unsigned i;

WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#918: FILE: drivers/net/vhost_dma/eth_vhost.c:711:
+	unsigned i;

WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#1186: FILE: drivers/net/vhost_dma/eth_vhost.c:979:
+	unsigned i;

WARNING:UNSPECIFIED_INT: Prefer 'unsigned int' to bare use of 'unsigned'
#1227: FILE: drivers/net/vhost_dma/eth_vhost.c:1020:
+	unsigned i;

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'vr' - possible side-effects?
#1755: FILE: drivers/net/vhost_dma/eth_vhost.h:47:
+#define vhost_avail_event(vr) \
+	(*(volatile uint16_t*)&(vr)->used->ring[(vr)->size])

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'vr' - possible side-effects?
#1757: FILE: drivers/net/vhost_dma/eth_vhost.h:49:
+#define vhost_used_event(vr) \
+	(*(volatile uint16_t*)&(vr)->avail->ring[(vr)->size])

CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'vr->callfd >= 0'
#2268: FILE: drivers/net/vhost_dma/virtio_net.c:49:
+		if ((vhost_need_event(vhost_used_event(vr), new, old) &&
+		     (vr->callfd >= 0)) || unlikely(!signalled_used_valid))

CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'vr->callfd >= 0'
#2272: FILE: drivers/net/vhost_dma/virtio_net.c:53:
+		if (!(vr->avail->flags & VRING_AVAIL_F_NO_INTERRUPT) &&
+		    (vr->callfd >= 0))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'var' - possible side-effects?
#2430: FILE: drivers/net/vhost_dma/virtio_net.c:211:
+#define ASSIGN_UNLESS_EQUAL(var, val) do {	\
+	if ((var) != (val))			\
+		(var) = (val);			\
+} while (0)

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'val' - possible side-effects?
#2430: FILE: drivers/net/vhost_dma/virtio_net.c:211:
+#define ASSIGN_UNLESS_EQUAL(var, val) do {	\
+	if ((var) != (val))			\
+		(var) = (val);			\
+} while (0)

total: 0 errors, 5 warnings, 3290 lines checked


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