[PATCH] This patch fixes the warning generated due to use of symbolic

From: Aviral Gupta
Date: Mon May 24 2021 - 12:10:31 EST


It's better to use octal permissons instead of symbolic ones because peoples are more
familiar with octal permissons.
WARNING: Symbolic permissions 'S_IRUGO | S_IWUSR' are not preferred. Consider using octal permissions '0644'.
+ md->force_ro.attr.mode = S_IRUGO | S_IWUSR;

WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'.
+ mode = S_IRUGO;

WARNING: Symbolic permissions 'S_IRUGO | S_IWUSR' are not preferred. Consider using octal permissions '0644'.
+ mode = S_IRUGO | S_IWUSR;

WARNING: Symbolic permissions 'S_IRUSR' are not preferred. Consider using octal permissions '0400'.
+ debugfs_create_file("ext_csd", S_IRUSR, root, card,

Signed-off-by: Aviral Gupta <shiv14112001@xxxxxxxxx>
---
drivers/mmc/core/block.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 266d62f9dbc8..1b5b0ad41b28 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2693,7 +2693,7 @@ static int mmc_add_disk(struct mmc_blk_data *md)
md->force_ro.store = force_ro_store;
sysfs_attr_init(&md->force_ro.attr);
md->force_ro.attr.name = "force_ro";
- md->force_ro.attr.mode = S_IRUGO | S_IWUSR;
+ md->force_ro.attr.mode = 0644;
ret = device_create_file(disk_to_dev(md->disk), &md->force_ro);
if (ret)
goto force_ro_fail;
@@ -2703,9 +2703,9 @@ static int mmc_add_disk(struct mmc_blk_data *md)
umode_t mode;

if (card->ext_csd.boot_ro_lock & EXT_CSD_BOOT_WP_B_PWR_WP_DIS)
- mode = S_IRUGO;
+ mode = 0444;
else
- mode = S_IRUGO | S_IWUSR;
+ mode = 0644;

md->power_ro_lock.show = power_ro_lock_show;
md->power_ro_lock.store = power_ro_lock_store;
@@ -2851,7 +2851,7 @@ static int mmc_blk_add_debugfs(struct mmc_card *card, struct mmc_blk_data *md)

if (mmc_card_mmc(card)) {
md->ext_csd_dentry =
- debugfs_create_file("ext_csd", S_IRUSR, root, card,
+ debugfs_create_file("ext_csd", 0400, root, card,
&mmc_dbg_ext_csd_fops);
if (!md->ext_csd_dentry)
return -EIO;
--
2.25.1