X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdf.c;h=dc7be1ebd8238a3f6913819c1d406d3f4130ae6c;hb=55832a2197b65223bbfaff233dab755384c33a86;hp=9d53b0b67eb7c326d3b1811682144d2a7cb6b14b;hpb=ca65f66c3cdbbb8af941d3624b85757355f38ad8;p=collectd.git

diff --git a/src/df.c b/src/df.c
index 9d53b0b6..dc7be1eb 100644
--- a/src/df.c
+++ b/src/df.c
@@ -257,6 +257,8 @@ 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
@@ -287,9 +289,11 @@ 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)