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author | Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr> | 2023-06-06 09:08:10 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-27 08:44:06 +0200 |
commit | 4d2405147385e6e281585230c3e7a54464876ea5 (patch) | |
tree | 8a435562c3c5f9ef8548ee1dd654b0515de59ed3 /security | |
parent | 5b31ac1d6d889bdd2e7bd97cfa8b993323ae300b (diff) | |
download | linux-stable-4d2405147385e6e281585230c3e7a54464876ea5.tar.gz linux-stable-4d2405147385e6e281585230c3e7a54464876ea5.tar.bz2 linux-stable-4d2405147385e6e281585230c3e7a54464876ea5.zip |
test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation
[ Upstream commit 7dae593cd226a0bca61201cf85ceb9335cf63682 ]
In a couple of situations like
name = kstrndup(buf, count, GFP_KERNEL);
if (!name)
return -ENOSPC;
the error is not actually "No space left on device", but "Out of memory".
It is semantically correct to return -ENOMEM in all failed kstrndup()
and kzalloc() cases in this driver, as it is not a problem with disk
space, but with kernel memory allocator failing allocation.
The semantically correct should be:
name = kstrndup(buf, count, GFP_KERNEL);
if (!name)
return -ENOMEM;
Cc: Dan Carpenter <error27@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Luis R. Rodriguez" <mcgrof@ruslug.rutgers.edu>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Brian Norris <briannorris@chromium.org>
Fixes: c92316bf8e948 ("test_firmware: add batched firmware tests")
Fixes: 0a8adf584759c ("test: add firmware_class loader test")
Fixes: 548193cba2a7d ("test_firmware: add support for firmware_request_platform")
Fixes: eb910947c82f9 ("test: firmware_class: add asynchronous request trigger")
Fixes: 061132d2b9c95 ("test_firmware: add test custom fallback trigger")
Fixes: 7feebfa487b92 ("test_firmware: add support for request_firmware_into_buf")
Signed-off-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Message-ID: <20230606070808.9300-1-mirsad.todorovac@alu.unizg.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions