X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdf.c;h=ded374b942e5d08d804dd027292eef2ef9f50fcb;hb=b4c8f3f762d666742c774ab3b45815e5a416e5da;hp=371a7fc3db9973b676322a75362d14b633b45a81;hpb=d0bb20feb1c5915e8b8af24cc2d46c4ac82d6704;p=collectd.git

diff --git a/src/df.c b/src/df.c
index 371a7fc3..ded374b9 100644
--- a/src/df.c
+++ b/src/df.c
@@ -228,6 +228,8 @@ static int df_read (void)
 		{
 			if (strcmp (mnt_ptr->dir, "/") == 0)
 			{
+				if (strcmp (mnt_ptr->type, "rootfs") == 0)
+					continue;
 				sstrncpy (disk_name, "root", sizeof (disk_name));
 			}
 			else
@@ -252,9 +254,11 @@ static int df_read (void)
 		 * report negative free space for user. Notice. blk_reserved
 		 * will start to diminish after this. */
 #if HAVE_STATVFS
-		/* Cast is needed to avoid compiler warnings.
+		/* Cast and temporary variable are needed to avoid
+		 * compiler warnings.
 		 * ((struct statvfs).f_bavail is unsigned (POSIX)) */
-		if (((int64_t) statbuf.f_bavail) < 0)
+		int64_t signed_bavail = (int64_t) statbuf.f_bavail;
+		if (signed_bavail < 0)
 			statbuf.f_bavail = 0;
 #elif HAVE_STATFS
 		if (statbuf.f_bavail < 0)