From: Martin Wilck <mwi...@suse.com>

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 <mwi...@suse.com>
---
 libmpathpersist/mpath_pr_ioctl.c      |  2 +-
 libmultipath/print.c                  | 12 ++++++------
 libmultipath/prioritizers/alua_spc3.h |  2 +-
 multipathd/cli_handlers.c             | 20 ++++++++++----------
 multipathd/main.c                     |  2 +-
 5 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/libmpathpersist/mpath_pr_ioctl.c b/libmpathpersist/mpath_pr_ioctl.c
index fadc9e10..126601c3 100644
--- a/libmpathpersist/mpath_pr_ioctl.c
+++ b/libmpathpersist/mpath_pr_ioctl.c
@@ -238,7 +238,7 @@ static void mpath_format_readfullstatus(struct prin_resp 
*pr_buff)
        uint32_t additional_length, k, tid_len_len = 0;
        char tempbuff[MPATH_MAX_PARAM_LEN];
        struct prin_fulldescr fdesc;
-       static const int pbuf_size =
+       static const unsigned int pbuf_size =
                sizeof(pr_buff->prin_descriptor.prin_readfd.private_buffer);
 
        convert_be32_to_cpu(&pr_buff->prin_descriptor.prin_readfd.prgeneration);
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",
-- 
2.26.2


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