netdev - [PATCH ethtool 4/7] get rid of signed/unsigned comparison warnings in register dump parsers

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Date:   Sun,  9 Aug 2020 23:24:29 +0200 (CEST)
From:   Michal Kubecek <mkubecek@...e.cz>
To:     netdev@...r.kernel.org
Subject: [PATCH ethtool 4/7] get rid of signed/unsigned comparison warnings in
 register dump parsers

All of these are avoided by declaring a variable (mostly loop iterators)
holding only unsigned values as unsigned.

Signed-off-by: Michal Kubecek <mkubecek@...e.cz>
---
 dsa.c      | 2 +-
 fec.c      | 2 +-
 ibm_emac.c | 2 +-
 marvell.c  | 2 +-
 natsemi.c  | 2 +-
 rxclass.c  | 8 +++++---
 sfpdiag.c  | 2 +-
 tg3.c      | 4 ++--
 8 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/dsa.c b/dsa.c
index 65502a899194..33c1d39d6605 100644
--- a/dsa.c
+++ b/dsa.c
@@ -824,8 +824,8 @@ static int dsa_mv88e6xxx_dump_regs(struct ethtool_regs *regs)
 {
 	const struct dsa_mv88e6xxx_switch *sw = NULL;
 	const u16 *data = (u16 *)regs->data;
+	unsigned int i;
 	u16 id;
-	int i;
 
 	/* Marvell chips have 32 per-port 16-bit registers */
 	if (regs->len < 32 * sizeof(u16))
diff --git a/fec.c b/fec.c
index 9cb4f8b1d4e1..d2373d6124c0 100644
--- a/fec.c
+++ b/fec.c
@@ -198,7 +198,7 @@ int fec_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
 		  struct ethtool_regs *regs)
 {
 	const u32 *data = (u32 *)regs->data;
-	int offset;
+	unsigned int offset;
 	u32 val;
 
 	for (offset = 0; offset < regs->len; offset += 4) {
diff --git a/ibm_emac.c b/ibm_emac.c
index ea01d56f609c..9f7cae605482 100644
--- a/ibm_emac.c
+++ b/ibm_emac.c
@@ -238,7 +238,7 @@ static void *print_mal_regs(void *buf)
 {
 	struct emac_ethtool_regs_subhdr *hdr = buf;
 	struct mal_regs *p = (struct mal_regs *)(hdr + 1);
-	int i;
+	unsigned int i;
 
 	printf("MAL%d Registers\n", hdr->index);
 	printf("-----------------\n");
diff --git a/marvell.c b/marvell.c
index 8afb150327a3..d3d570e4d4ad 100644
--- a/marvell.c
+++ b/marvell.c
@@ -130,7 +130,7 @@ static void dump_fifo(const char *name, const void *p)
 static void dump_gmac_fifo(const char *name, const void *p)
 {
 	const u32 *r = p;
-	int i;
+	unsigned int i;
 	static const char *regs[] = {
 		"End Address",
 		"Almost Full Thresh",
diff --git a/natsemi.c b/natsemi.c
index 0af465959cbc..4d9fc092b623 100644
--- a/natsemi.c
+++ b/natsemi.c
@@ -967,8 +967,8 @@ int
 natsemi_dump_eeprom(struct ethtool_drvinfo *info __maybe_unused,
 		    struct ethtool_eeprom *ee)
 {
-	int i;
 	u16 *eebuf = (u16 *)ee->data;
+	unsigned int i;
 
 	if (ee->magic != NATSEMI_MAGIC) {
 		fprintf(stderr, "Magic number 0x%08x does not match 0x%08x\n",
diff --git a/rxclass.c b/rxclass.c
index 79972651e706..6cf81fdafc85 100644
--- a/rxclass.c
+++ b/rxclass.c
@@ -348,8 +348,9 @@ int rxclass_rule_getall(struct cmd_context *ctx)
 {
 	struct ethtool_rxnfc *nfccmd;
 	__u32 *rule_locs;
-	int err, i;
+	unsigned int i;
 	__u32 count;
+	int err;
 
 	/* determine rule count */
 	err = rxclass_get_dev_info(ctx, &count, NULL);
@@ -481,8 +482,9 @@ static int rmgr_find_empty_slot(struct rmgr_ctrl *rmgr,
 static int rmgr_init(struct cmd_context *ctx, struct rmgr_ctrl *rmgr)
 {
 	struct ethtool_rxnfc *nfccmd;
-	int err, i;
 	__u32 *rule_locs;
+	unsigned int i;
+	int err;
 
 	/* clear rule manager settings */
 	memset(rmgr, 0, sizeof(*rmgr));
@@ -941,7 +943,7 @@ static int rxclass_get_long(char *str, long long *val, int size)
 
 static int rxclass_get_ulong(char *str, unsigned long long *val, int size)
 {
-	long long max = ~0ULL >> (64 - size);
+	unsigned long long max = ~0ULL >> (64 - size);
 	char *endp;
 
 	errno = 0;
diff --git a/sfpdiag.c b/sfpdiag.c
index fa41651422ea..1fa8b7ba8fec 100644
--- a/sfpdiag.c
+++ b/sfpdiag.c
@@ -190,8 +190,8 @@ static float befloattoh(const __u32 *source)
 
 static void sff8472_calibration(const __u8 *id, struct sff_diags *sd)
 {
-	int i;
 	__u16 rx_reading;
+	unsigned int i;
 
 	/* Calibration should occur for all values (threshold and current) */
 	for (i = 0; i < ARRAY_SIZE(sd->bias_cur); ++i) {
diff --git a/tg3.c b/tg3.c
index ac73b33ae4e3..ebdef2d60e6b 100644
--- a/tg3.c
+++ b/tg3.c
@@ -7,7 +7,7 @@
 int tg3_dump_eeprom(struct ethtool_drvinfo *info __maybe_unused,
 		    struct ethtool_eeprom *ee)
 {
-	int i;
+	unsigned int i;
 
 	if (ee->magic != TG3_MAGIC) {
 		fprintf(stderr, "Magic number 0x%08x does not match 0x%08x\n",
@@ -26,7 +26,7 @@ int tg3_dump_eeprom(struct ethtool_drvinfo *info __maybe_unused,
 int tg3_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
 		  struct ethtool_regs *regs)
 {
-	int i;
+	unsigned int i;
 	u32 reg;
 
 	fprintf(stdout, "Offset\tValue\n");
-- 
2.28.0