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Kernel: Handle allocation failure in ProcFS and friends

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There were many places in which allocation failure was noticed but
ignored.
This commit is contained in:
sin-ack 2021-08-14 12:39:51 +00:00 • committed by Andreas Kling
parent 134dbe2607
commit 748938ea59
8 changed files with 196 additions and 92 deletions
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5
Kernel/Syscalls/mount.cpp
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@ -90,7 +90,10 @@ KResultOr<FlatPtr> Process::sys$mount(Userspace<const Syscall::SC_mount_params*>
fs = Plan9FS::create(*description);
} else if (fs_type == "proc"sv || fs_type == "ProcFS"sv) {
fs = ProcFS::create();
auto maybe_fs = ProcFS::try_create();
if (maybe_fs.is_error())
return maybe_fs.error();
fs = maybe_fs.release_value();
} else if (fs_type == "devpts"sv || fs_type == "DevPtsFS"sv) {
fs = DevPtsFS::create();
} else if (fs_type == "dev"sv || fs_type == "DevFS"sv) {