igt_debugfs.c: In function 'igt_assert_crc_equal':
igt_debugfs.c:353:3: warning: 'index' may be used uninitialized in this
function [-Wmaybe-uninitialized]
igt_debugfs.c: In function 'igt_check_crc_equal':
igt_debugfs.c:375:3: warning: 'index' may be used uninitialized in this
function [-Wmaybe-uninitialized]
Fixes: 7422d7540a3b ("lib/igt_debugfs: Introduce CRC check function, with logic
made common")
Signed-off-by: Chris Wilson <[email protected]>
---
lib/igt_debugfs.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c
index 4a119985..7399ae23 100644
--- a/lib/igt_debugfs.c
+++ b/lib/igt_debugfs.c
@@ -315,12 +315,10 @@ bool igt_debugfs_search(int device, const char *filename,
const char *substring)
static bool igt_find_crc_mismatch(const igt_crc_t *a, const igt_crc_t *b,
int *index)
{
+ int nwords = min(a->n_words, b->n_words);
int i;
- if (a->n_words != b->n_words)
- return true;
-
- for (i = 0; i < a->n_words; i++) {
+ for (i = 0; i < nwords; i++) {
if (a->crc[i] != b->crc[i]) {
if (index)
*index = i;
@@ -329,6 +327,12 @@ static bool igt_find_crc_mismatch(const igt_crc_t *a,
const igt_crc_t *b,
}
}
+ if (a->n_words != b->n_words) {
+ if (index)
+ *index = i;
+ return true;
+ }
+
return false;
}
--
2.16.1
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