From: Vladimir Koushnir <[email protected]>
Date: Thu, 16 Apr 2015 18:27:39 +0300

Call mad_rpc_close_port in all corner cases.
This is needed so fds are not leaked with ibsim.

Signed-off-by: Vladimir Koushnir <[email protected]>
Signed-off-by: Hal Rosenstock <[email protected]>
---
 src/vendstat.c |   82 ++++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 53 insertions(+), 29 deletions(-)

diff --git a/src/vendstat.c b/src/vendstat.c
index 11ee73e..baade3e 100644
--- a/src/vendstat.c
+++ b/src/vendstat.c
@@ -172,13 +172,14 @@ static int do_vendor(ib_portid_t *portid, struct 
ibmad_port *srcport,
        call.attrid = attr_id;
        call.mod = attr_mod;
 
-       if (!ib_vendor_call_via(data, portid, &call, srcport))
-               IBEXIT("vendstat: method %u, attribute %u", method, attr_id);
-
+       if (!ib_vendor_call_via(data, portid, &call, srcport)) {
+               fprintf(stderr,"vendstat: method %u, attribute %u failure\n", 
method, attr_id);
+               return -1;
+       }
        return 0;
 }
 
-static void do_config_space_records(ib_portid_t *portid, unsigned set,
+static int do_config_space_records(ib_portid_t *portid, unsigned set,
                                    is3_config_space_t *cs, unsigned records)
 {
        unsigned i;
@@ -194,17 +195,19 @@ static void do_config_space_records(ib_portid_t *portid, 
unsigned set,
        if (do_vendor(portid, srcport, IB_MLX_VENDOR_CLASS,
                      set ? IB_MAD_METHOD_SET : IB_MAD_METHOD_GET,
                      IB_MLX_IS3_CONFIG_SPACE_ACCESS, 2 << 22 | records << 16,
-                     cs))
-               IBEXIT("cannot %s config space records", set ? "set" : "get");
-
+                     cs)) {
+               fprintf(stderr,"cannot %s config space records\n", set ? "set" 
: "get");
+               return -1;
+       }
        for (i = 0; i < records; i++) {
                printf("Config space record at 0x%x: 0x%x\n",
                       ntohl(cs->record[i].address),
                       ntohl(cs->record[i].data & cs->record[i].mask));
        }
+       return 0;
 }
 
-static void counter_groups_info(ib_portid_t * portid, int port)
+static int counter_groups_info(ib_portid_t * portid, int port)
 {
        char buf[1024];
        is4_counter_group_info_t *cg_info;
@@ -213,15 +216,17 @@ static void counter_groups_info(ib_portid_t * portid, int 
port)
        /* Counter Group Info */
        memset(&buf, 0, sizeof(buf));
        if (do_vendor(portid, srcport, IB_MLX_VENDOR_CLASS, IB_MAD_METHOD_GET,
-                     IB_MLX_IS4_COUNTER_GROUP_INFO, port, buf))
-               IBEXIT("counter group info query");
-
+                     IB_MLX_IS4_COUNTER_GROUP_INFO, port, buf)) {
+               fprintf(stderr,"counter group info query failure\n");
+               return -1;
+       }
        cg_info = (is4_counter_group_info_t *) & buf;
        num_cg = cg_info->num_of_counter_groups;
        printf("counter_group_info:\n");
        printf("%d counter groups\n", num_cg);
        for (i = 0; i < num_cg; i++)
                printf("group%d mask %#x\n", i, ntohl(cg_info->group_masks[i]));
+       return 0;
 }
 
 /* Group0 counter config values */
@@ -236,7 +241,7 @@ static void counter_groups_info(ib_portid_t * portid, int 
port)
 
 static int cg0, cg1;
 
-static void config_counter_groups(ib_portid_t * portid, int port)
+static int config_counter_groups(ib_portid_t * portid, int port)
 {
        char buf[1024];
        is4_config_counter_groups_t *cg_config;
@@ -251,15 +256,19 @@ static void config_counter_groups(ib_portid_t * portid, 
int port)
        cg_config->group_selects[1].group_select = (uint8_t) cg1;
 
        if (do_vendor(portid, srcport, IB_MLX_VENDOR_CLASS, IB_MAD_METHOD_SET,
-                     IB_MLX_IS4_CONFIG_COUNTER_GROUP, port, buf))
-               IBEXIT("config counter group set");
-
+                     IB_MLX_IS4_CONFIG_COUNTER_GROUP, port, buf)) {
+               fprintf(stderr, "config counter group set failure\n");
+               return -1;
+       }
        /* get config counter groups */
        memset(&buf, 0, sizeof(buf));
 
        if (do_vendor(portid, srcport, IB_MLX_VENDOR_CLASS, IB_MAD_METHOD_GET,
-                     IB_MLX_IS4_CONFIG_COUNTER_GROUP, port, buf))
-               IBEXIT("config counter group query");
+                     IB_MLX_IS4_CONFIG_COUNTER_GROUP, port, buf)) {
+               fprintf(stderr, "config counter group query failure\n");
+               return -1;
+       }
+       return 0;
 }
 
 static int general_info, xmit_wait, counter_group_info, config_counter_group;
@@ -364,20 +373,26 @@ int main(int argc, char **argv)
 
        if (argc) {
                if (resolve_portid_str(ibd_ca, ibd_ca_port, &portid, argv[0],
-                                      ibd_dest_type, ibd_sm_id, srcport) < 0)
+                                      ibd_dest_type, ibd_sm_id, srcport) < 0) {
+                       mad_rpc_close_port(srcport);
                        IBEXIT("can't resolve destination port %s", argv[0]);
+               }
        } else {
-               if (resolve_self(ibd_ca, ibd_ca_port, &portid, &port, 0) < 0)
+               if (resolve_self(ibd_ca, ibd_ca_port, &portid, &port, 0) < 0) {
+                       mad_rpc_close_port(srcport);
                        IBEXIT("can't resolve self port %s", argv[0]);
+               }
        }
 
        if (counter_group_info) {
                counter_groups_info(&portid, port);
+               mad_rpc_close_port(srcport);
                exit(0);
        }
 
        if (config_counter_group) {
                config_counter_groups(&portid, port);
+               mad_rpc_close_port(srcport);
                exit(0);
        }
 
@@ -388,6 +403,7 @@ int main(int argc, char **argv)
                if (write_cs_records)
                        do_config_space_records(&portid, 1, &write_cs,
                                                write_cs_records);
+               mad_rpc_close_port(srcport);
                exit(0);
        }
 
@@ -395,23 +411,27 @@ int main(int argc, char **argv)
        /* but vendors change the VendorId so how know for sure ? */
        /* Only General Info and Port Xmit Wait Counters */
        /* queries are currently supported */
-       if (!general_info && !xmit_wait)
+       if (!general_info && !xmit_wait) {
+               mad_rpc_close_port(srcport);
                IBEXIT("at least one of -N and -w must be specified");
-
+       }
        /* Would need a list of these and it might not be complete */
        /* so for right now, punt on this */
 
        /* vendor ClassPortInfo is required attribute if class supported */
        memset(&buf, 0, sizeof(buf));
        if (do_vendor(&portid, srcport, IB_MLX_VENDOR_CLASS, IB_MAD_METHOD_GET,
-                     CLASS_PORT_INFO, 0, buf))
+                     CLASS_PORT_INFO, 0, buf)) {
+               mad_rpc_close_port(srcport);
                IBEXIT("classportinfo query");
-
+       }
        memset(&buf, 0, sizeof(buf));
        gi_is3 = (is3_general_info_t *) &buf;
        if (do_vendor(&portid, srcport, IB_MLX_VENDOR_CLASS, IB_MAD_METHOD_GET,
-                     IB_MLX_IS3_GENERAL_INFO, 0, gi_is3))
+                     IB_MLX_IS3_GENERAL_INFO, 0, gi_is3)) {
+               mad_rpc_close_port(srcport);
                IBEXIT("generalinfo query");
+       }
 
        if (is_ext_fw_info_supported(ntohs(gi_is3->hw_info.device_id))) {
                gi_is4 = (is4_general_info_t *) &buf;
@@ -452,10 +472,11 @@ int main(int argc, char **argv)
                is3_config_space_t *cs;
                unsigned i;
 
-               if (ntohs(gi_is3->hw_info.device_id) != IS3_DEVICE_ID)
+               if (ntohs(gi_is3->hw_info.device_id) != IS3_DEVICE_ID) {
+                       mad_rpc_close_port(srcport);
                        IBEXIT("Unsupported device ID 0x%x",
                                ntohs(gi_is3->hw_info.device_id));
-
+               }
                memset(&buf, 0, sizeof(buf));
                /* Set record addresses for each port */
                cs = (is3_config_space_t *) & buf;
@@ -464,9 +485,10 @@ int main(int argc, char **argv)
                            htonl(IB_MLX_IS3_PORT_XMIT_WAIT + ((i + 1) << 12));
                if (do_vendor(&portid, srcport, IB_MLX_VENDOR_CLASS,
                              IB_MAD_METHOD_GET, IB_MLX_IS3_CONFIG_SPACE_ACCESS,
-                             2 << 22 | 16 << 16, cs))
+                             2 << 22 | 16 << 16, cs)) {
+                       mad_rpc_close_port(srcport);
                        IBEXIT("vendstat");
-
+               }
                for (i = 0; i < 16; i++)
                        if (cs->record[i].data) /* PortXmitWait is 32 bit 
counter */
                                printf("Port %d: PortXmitWait 0x%x\n", i + 4, 
ntohl(cs->record[i].data));       /* port 4 is first port */
@@ -480,8 +502,10 @@ int main(int argc, char **argv)
                            htonl(IB_MLX_IS3_PORT_XMIT_WAIT + ((i + 17) << 12));
                if (do_vendor(&portid, srcport, IB_MLX_VENDOR_CLASS,
                              IB_MAD_METHOD_GET, IB_MLX_IS3_CONFIG_SPACE_ACCESS,
-                             2 << 22 | 8 << 16, cs))
+                             2 << 22 | 8 << 16, cs)) {
+                       mad_rpc_close_port(srcport);
                        IBEXIT("vendstat");
+               }
 
                for (i = 0; i < 8; i++)
                        if (cs->record[i].data) /* PortXmitWait is 32 bit 
counter */
-- 
1.7.8.2

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