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realtek: cleanup debugfs creation in serdes driver

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debugfs_create_dir() has a proper logic to handle existing directories.
Skip the manual test. Additionally quit early if directory creation fails.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/21157
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Markus Stockhausen
2025-12-14 10:03:47 +01:00
committed by Robert Marko
parent dcbc8722e9
commit 3c073b5cb2
1 changed files with 3 additions and 3 deletions
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4
target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto-serdes.c
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@@ -155,9 +155,9 @@ static int rtsds_debug_init(struct rtsds_ctrl *ctrl, u32 sds)
dbg_info->ctrl = ctrl; dbg_info->ctrl = ctrl;
dbg_info->sds = sds; dbg_info->sds = sds;
root = debugfs_lookup(RTSDS_DBG_ROOT_DIR, NULL);
if (!root)
root = debugfs_create_dir(RTSDS_DBG_ROOT_DIR, NULL); root = debugfs_create_dir(RTSDS_DBG_ROOT_DIR, NULL);
if (IS_ERR(root))
return PTR_ERR(root);
snprintf(dirname, sizeof(dirname), "serdes.%d", sds); snprintf(dirname, sizeof(dirname), "serdes.%d", sds);
dir = debugfs_create_dir(dirname, root); dir = debugfs_create_dir(dirname, root);