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H A Ddosfs.c0eb736c0 Wed Sep 07 16:56:49 GMT 2022 Michael Gmelin <grembo@FreeBSD.org> stand: Unbreak FAT32 in loader

This corrects an issue introduced in b4cb3fe0e39a3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D36482
0eb736c0 Wed Sep 07 16:56:49 GMT 2022 Michael Gmelin <grembo@FreeBSD.org> stand: Unbreak FAT32 in loader

This corrects an issue introduced in b4cb3fe0e39a3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D36482
0eb736c0 Wed Sep 07 16:56:49 GMT 2022 Michael Gmelin <grembo@FreeBSD.org> stand: Unbreak FAT32 in loader

This corrects an issue introduced in b4cb3fe0e39a3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D36482
0eb736c0 Wed Sep 07 16:56:49 GMT 2022 Michael Gmelin <grembo@FreeBSD.org> stand: Unbreak FAT32 in loader

This corrects an issue introduced in b4cb3fe0e39a3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D36482
0eb736c0 Wed Sep 07 16:56:49 GMT 2022 Michael Gmelin <grembo@FreeBSD.org> stand: Unbreak FAT32 in loader

This corrects an issue introduced in b4cb3fe0e39a3, where a freshly
allocated `DOS_FS` structure would not be initialized properly before
use in `dos_open`.

In case of FAT32 file systems, this would leave `fs->dirents`
uninitialized and - depending on its content and due to checks in
`parsebs` - prevent mounting the file system successfully.

This particularily impacted the EFI loader, as it was sometimes not
able to read files from a FAT32-formatted EFI partition, including
LoaderEnv (`/efi/freebsd/loader.env`).

Accepted by: imp
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D36482