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manger: fix lkm detection #2654

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Merged
merged 2 commits into from
Jun 27, 2025
Merged

manger: fix lkm detection #2654

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db9e37a
manger: fix lkm detection
HSSkyBoy Jun 26, 2025
5e8e4d6
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HSSkyBoy Jun 26, 2025
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13 changes: 7 additions & 6 deletions manager/app/src/main/cpp/ksu.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -50,12 +50,13 @@ bool become_manager(const char* pkg) {
}

// cache the result to avoid unnecessary syscall
static bool is_lkm;
int get_version() {
static bool is_lkm = false;

int get_version(void) {
int32_t version = -1;
int32_t lkm = 0;
ksuctl(CMD_GET_VERSION, &version, &lkm);
if (!is_lkm && lkm != 0) {
int32_t flags = 0;
ksuctl(CMD_GET_VERSION, &version, &flags);
if (!is_lkm && (flags & 0x1)) {
is_lkm = true;
}
return version;
Expand Down Expand Up @@ -96,4 +97,4 @@ bool is_su_enabled() {
// if ksuctl failed, we assume su is enabled, and it cannot be disabled.
ksuctl(CMD_IS_SU_ENABLED, &enabled, nullptr);
return enabled;
}
}
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