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is_kernfs: Check only defined magic numbers

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Avoid undeclared identifiers when compiling with older kernel headers.
This commit is contained in:
Christian Göttsche 2020-06-04 11:08:44 +02:00
parent 19cfe9b15c
commit c340980b80
1 changed files with 29 additions and 2 deletions
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31
src/dir_scan.c
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@ -63,18 +63,45 @@ static struct dir_ext buf_ext[1];
int exclude_kernfs; /* Exclude Linux pseudo filesystems */
static int is_kernfs(unsigned long type) {
if(type == BINFMTFS_MAGIC ||
if(
#ifdef BINFMTFS_MAGIC
type == BINFMTFS_MAGIC ||
#endif
#ifdef BPF_FS_MAGIC
type == BPF_FS_MAGIC ||
#endif
#ifdef CGROUP_SUPER_MAGIC
type == CGROUP_SUPER_MAGIC ||
#endif
#ifdef CGROUP2_SUPER_MAGIC
type == CGROUP2_SUPER_MAGIC||
#endif
#ifdef DEBUGFS_MAGIC
type == DEBUGFS_MAGIC ||
#endif
#ifdef DEVPTS_SUPER_MAGIC
type == DEVPTS_SUPER_MAGIC ||
#endif
#ifdef PROC_SUPER_MAGIC
type == PROC_SUPER_MAGIC ||
#endif
#ifdef PSTOREFS_MAGIC
type == PSTOREFS_MAGIC ||
#endif
#ifdef SECURITYFS_MAGIC
type == SECURITYFS_MAGIC ||
#endif
#ifdef SELINUX_MAGIC
type == SELINUX_MAGIC ||
#endif
#ifdef SYSFS_MAGIC
type == SYSFS_MAGIC ||
type == TRACEFS_MAGIC)
#endif
#ifdef TRACEFS_MAGIC
type == TRACEFS_MAGIC ||
#endif
0
)
return 1;
return 0;