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-rw-r--r--pylibfdt/libfdt.i2
1 files changed, 1 insertions, 1 deletions
diff --git a/pylibfdt/libfdt.i b/pylibfdt/libfdt.i
index 6f1f1dc..084bc5b 100644
--- a/pylibfdt/libfdt.i
+++ b/pylibfdt/libfdt.i
@@ -137,7 +137,7 @@ def check_err(val, quiet=()):
Raises
FdtException if val < 0
"""
- if val < 0:
+ if isinstance(val, int) and val < 0:
if -val not in quiet:
raise FdtException(val)
return val