strsep unlike strtok(_r) returns an empty string for each pair of
consecutive delimiters.
blspec_apply_oftree_overlay is not equipped to handle an empty
string and will attempt treating "abspath/" as device tree file.
Explicitly check for empty strings, so this doesn't happen.
Cc: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
Change is untested
---
common/blspec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/common/blspec.c b/common/blspec.c
index 9e1036c8342c..ed66352d1107 100644
--- a/common/blspec.c
+++ b/common/blspec.c
@@ -109,8 +109,11 @@ static void blspec_apply_oftree_overlays(const char *overlays,
sep = freep = xstrdup(overlays);
- while ((overlay = strsep(&sep, " ")))
+ while ((overlay = strsep(&sep, " "))) {
+ if (!*overlay)
+ continue;
blspec_apply_oftree_overlay(overlay, abspath, dryrun);
+ }
free(freep);
}
--
2.28.0
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