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fs/ntfs3: Refactor enum_rstbl to suppress static checker

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[ Upstream commit 56c16d5459d5c050a97a138a00a82b105a8e0a66 ]

Comments and brief description of function enum_rstbl added.

Fixes: b46acd6a6a62 ("fs/ntfs3: Add NTFS journal")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Konstantin Komarov 2024-07-23 16:51:18 +03:00 committed by Greg Kroah-Hartman
parent ec84214a34
commit 9fcade799c
1 changed files with 17 additions and 2 deletions
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19
fs/ntfs3/fslog.c
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@ -609,14 +609,29 @@ static inline void add_client(struct CLIENT_REC *ca, u16 index, __le16 *head)
*head = cpu_to_le16(index); *head = cpu_to_le16(index);
} }
/*
* Enumerate restart table.
*
* @t - table to enumerate.
* @c - current enumerated element.
*
* enumeration starts with @c == NULL
* returns next element or NULL
*/
static inline void *enum_rstbl(struct RESTART_TABLE *t, void *c) static inline void *enum_rstbl(struct RESTART_TABLE *t, void *c)
{ {
__le32 *e; __le32 *e;
u32 bprt; u32 bprt;
u16 rsize = t ? le16_to_cpu(t->size) : 0; u16 rsize;
if (!t)
return NULL;
rsize = le16_to_cpu(t->size);
if (!c) { if (!c) {
if (!t || !t->total) /* start enumeration. */
if (!t->total)
return NULL; return NULL;
e = Add2Ptr(t, sizeof(struct RESTART_TABLE)); e = Add2Ptr(t, sizeof(struct RESTART_TABLE));
} else { } else {