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device-mapper-multipath/SOURCES/0008-libmultipath-eliminate-more-signed-unsigned-comparis.patch
CentOS Sources 67f1445a6b import device-mapper-multipath-0.8.4-2.el8
2021-10-08 10:24:29 +00:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Tue, 12 May 2020 00:39:26 +0200
Subject: [PATCH] libmultipath: eliminate more signed/unsigned comparisons
Fix some more compiler warnings about signed/unsigned comparison.
I've observed these only on 32bit builds, therefore they went unnoticed
before.
Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/print.c | 12 ++++++------
libmultipath/prioritizers/alua_spc3.h | 2 +-
multipathd/cli_handlers.c | 20 ++++++++++----------
multipathd/main.c | 2 +-
4 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/libmultipath/print.c b/libmultipath/print.c
index b944ef32..298b3764 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -1958,25 +1958,25 @@ char *snprint_config(const struct config *conf, int *len,
}
c = reply + snprint_defaults(conf, reply, maxlen);
- if ((c - reply) == maxlen)
+ if (c == reply + maxlen)
continue;
c += snprint_blacklist(conf, c, reply + maxlen - c);
- if ((c - reply) == maxlen)
+ if (c == reply + maxlen)
continue;
c += snprint_blacklist_except(conf, c, reply + maxlen - c);
- if ((c - reply) == maxlen)
+ if (c == reply + maxlen)
continue;
c += snprint_hwtable(conf, c, reply + maxlen - c,
hwtable ? hwtable : conf->hwtable);
- if ((c - reply) == maxlen)
+ if (c == reply + maxlen)
continue;
c += snprint_overrides(conf, c, reply + maxlen - c,
conf->overrides);
- if ((c - reply) == maxlen)
+ if (c == reply + maxlen)
continue;
if (VECTOR_SIZE(conf->mptable) > 0 ||
@@ -1984,7 +1984,7 @@ char *snprint_config(const struct config *conf, int *len,
c += snprint_mptable(conf, c, reply + maxlen - c,
mpvec);
- if ((c - reply) < maxlen) {
+ if (c < reply + maxlen) {
if (len)
*len = c - reply;
return reply;
diff --git a/libmultipath/prioritizers/alua_spc3.h b/libmultipath/prioritizers/alua_spc3.h
index 18b495ef..7ba2cf4c 100644
--- a/libmultipath/prioritizers/alua_spc3.h
+++ b/libmultipath/prioritizers/alua_spc3.h
@@ -284,7 +284,7 @@ struct rtpg_data {
#define RTPG_FOR_EACH_PORT_GROUP(p, g) \
for( \
g = &(p->data[0]); \
- (((char *) g) - ((char *) p)) < get_unaligned_be32(p->length); \
+ ((char *) g) < ((char *) p) + get_unaligned_be32(p->length); \
g = (struct rtpg_tpg_dscr *) ( \
((char *) g) + \
sizeof(struct rtpg_tpg_dscr) + \
diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c
index 7d878c88..31c3d9fd 100644
--- a/multipathd/cli_handlers.c
+++ b/multipathd/cli_handlers.c
@@ -66,7 +66,7 @@ show_paths (char ** r, int * len, struct vectors * vecs, char * style,
c += snprint_foreign_paths(c, reply + maxlen - c,
style, pretty);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -102,7 +102,7 @@ show_path (char ** r, int * len, struct vectors * vecs, struct path *pp,
c += snprint_path(c, reply + maxlen - c, style, pp, 0);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -131,7 +131,7 @@ show_map_topology (char ** r, int * len, struct multipath * mpp,
c = reply;
c += snprint_multipath_topology(c, reply + maxlen - c, mpp, 2);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -171,7 +171,7 @@ show_maps_topology (char ** r, int * len, struct vectors * vecs)
}
c += snprint_foreign_topology(c, reply + maxlen - c, 2);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -209,7 +209,7 @@ show_maps_json (char ** r, int * len, struct vectors * vecs)
c = reply;
c += snprint_multipath_topology_json(c, maxlen, vecs);
- again = ((c - reply) == maxlen);
+ again = (c == reply + maxlen);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -238,7 +238,7 @@ show_map_json (char ** r, int * len, struct multipath * mpp,
c = reply;
c += snprint_multipath_map_json(c, maxlen, mpp);
- again = ((c - reply) == maxlen);
+ again = (c == reply + maxlen);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -487,7 +487,7 @@ show_map (char ** r, int *len, struct multipath * mpp, char * style,
c += snprint_multipath(c, reply + maxlen - c, style,
mpp, pretty);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -533,7 +533,7 @@ show_maps (char ** r, int *len, struct vectors * vecs, char * style,
}
c += snprint_foreign_multipaths(c, reply + maxlen - c,
style, pretty);
- again = ((c - reply) == (maxlen - 1));
+ again = (c == reply + maxlen - 1);
REALLOC_REPLY(reply, again, maxlen);
}
@@ -1297,7 +1297,7 @@ show_blacklist (char ** r, int * len)
c = reply;
c += snprint_blacklist_report(conf, c, maxlen);
- again = ((c - reply) == maxlen);
+ again = (c == reply + maxlen);
REALLOC_REPLY(reply, again, maxlen);
}
pthread_cleanup_pop(1);
@@ -1339,7 +1339,7 @@ show_devices (char ** r, int * len, struct vectors *vecs)
c = reply;
c += snprint_devices(conf, c, maxlen, vecs);
- again = ((c - reply) == maxlen);
+ again = (c == reply + maxlen);
REALLOC_REPLY(reply, again, maxlen);
}
pthread_cleanup_pop(1);
diff --git a/multipathd/main.c b/multipathd/main.c
index 8baf9abe..6b7db2c0 100644
--- a/multipathd/main.c
+++ b/multipathd/main.c
@@ -2374,7 +2374,7 @@ checkerloop (void *ap)
conf = get_multipath_config();
max_checkint = conf->max_checkint;
put_multipath_config(conf);
- if (diff_time.tv_sec > max_checkint)
+ if (diff_time.tv_sec > (time_t)max_checkint)
condlog(1, "path checkers took longer "
"than %lu seconds, consider "
"increasing max_polling_interval",
--
2.17.2
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