[dm-devel] [PATCH V6 2/3] multipath-tools: Set errno mpath_recv_reply() when failure

[Gris Ge]

Enforce what mpath_cmd.h states "-1 on failure (with errno set)" for
mpath_recv_reply() by set errno and return -1 on failure.

Signed-off-by: Gris Ge <f...@redhat.com>
---
 libmpathcmd/mpath_cmd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libmpathcmd/mpath_cmd.c b/libmpathcmd/mpath_cmd.c
index 1aaf5ea..d92a461 100644
--- a/libmpathcmd/mpath_cmd.c
+++ b/libmpathcmd/mpath_cmd.c
@@ -141,7 +141,7 @@ int mpath_recv_reply(int fd, char **reply, unsigned int 
timeout)
        *reply = NULL;
        len = mpath_recv_reply_len(fd, timeout);
        if (len <= 0)
-               return len;
+               return -1;
        *reply = malloc(len);
        if (!*reply)
                return -1;
@@ -149,7 +149,7 @@ int mpath_recv_reply(int fd, char **reply, unsigned int 
timeout)
        if (err) {
                free(*reply);
                *reply = NULL;
-               return err;
+               return -1;
        }
        return 0;
 }
-- 
2.9.0

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