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hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount

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Despite specifying UID and GID in mount command, the specified UID and GID
were not being assigned. This patch fixes this issue.

Link: https://lkml.kernel.org/r/C0264BF5-059C-45CF-B8DA-3A3BD2C803A2@live.com
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Aditya Garg 2022-12-07 03:05:40 +00:00 • committed by Andrew Morton
parent d5b6e6eba3
commit 9f2b5debc0
3 changed files with 8 additions and 2 deletions
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2
fs/hfsplus/hfsplus_fs.h
View file

@ -198,6 +198,8 @@ struct hfsplus_sb_info {
#define HFSPLUS_SB_HFSX 3
#define HFSPLUS_SB_CASEFOLD 4
#define HFSPLUS_SB_NOBARRIER 5
#define HFSPLUS_SB_UID 6
#define HFSPLUS_SB_GID 7
static inline struct hfsplus_sb_info *HFSPLUS_SB(struct super_block *sb)
{

4
fs/hfsplus/inode.c
View file

@ -192,11 +192,11 @@ static void hfsplus_get_perms(struct inode *inode,
mode = be16_to_cpu(perms->mode);
i_uid_write(inode, be32_to_cpu(perms->owner));
if (!i_uid_read(inode) && !mode)
if ((test_bit(HFSPLUS_SB_UID, &sbi->flags)) || (!i_uid_read(inode) && !mode))
inode->i_uid = sbi->uid;
i_gid_write(inode, be32_to_cpu(perms->group));
if (!i_gid_read(inode) && !mode)
if ((test_bit(HFSPLUS_SB_GID, &sbi->flags)) || (!i_gid_read(inode) && !mode))
inode->i_gid = sbi->gid;
if (dir) {

4
fs/hfsplus/options.c
View file

@ -140,6 +140,8 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
if (!uid_valid(sbi->uid)) {
pr_err("invalid uid specified\n");
return 0;
} else {
set_bit(HFSPLUS_SB_UID, &sbi->flags);
}
break;
case opt_gid:
@ -151,6 +153,8 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
if (!gid_valid(sbi->gid)) {
pr_err("invalid gid specified\n");
return 0;
} else {
set_bit(HFSPLUS_SB_GID, &sbi->flags);
}
break;
case opt_part: