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* [PATCH v2] erofs: Use %pe format specifier for error pointers
@ 2025-12-08  9:31 Ferry Meng
  2025-12-08 10:56 ` Gao Xiang
  2026-01-21  5:22 ` Chao Yu
  0 siblings, 2 replies; 3+ messages in thread
From: Ferry Meng @ 2025-12-08  9:31 UTC (permalink / raw)
  To: linux-erofs; +Cc: LKML, Ferry Meng

%pe will print a symbolic error name (e.g,. -ENOMEM), opposed to the
raw errno (e.g,. -12) produced by PTR_ERR().

Signed-off-by: Ferry Meng <mengferry@linux.alibaba.com>
---
 fs/erofs/zdata.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 461a929e0825..86cc6ebd8450 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -1324,8 +1324,8 @@ static int z_erofs_decompress_pcluster(struct z_erofs_backend *be, int err)
 						GFP_NOWAIT | __GFP_NORETRY
 				 }, be->pagepool);
 		if (IS_ERR(reason)) {
-			erofs_err(be->sb, "failed to decompress (%s) %ld @ pa %llu size %u => %u",
-				  alg->name, PTR_ERR(reason), pcl->pos,
+			erofs_err(be->sb, "failed to decompress (%s) %pe @ pa %llu size %u => %u",
+				  alg->name, reason, pcl->pos,
 				  pcl->pclustersize, pcl->length);
 			err = PTR_ERR(reason);
 		} else if (unlikely(reason)) {
--
2.43.5

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2026-01-21  5:22 UTC | newest]

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2025-12-08  9:31 [PATCH v2] erofs: Use %pe format specifier for error pointers Ferry Meng
2025-12-08 10:56 ` Gao Xiang
2026-01-21  5:22 ` Chao Yu

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