diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-12-08 19:00:58 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-07 12:07:26 +0100 |
| commit | 0b8a070a7c54f648c46fddbc2f40d2f18239a3e0 (patch) | |
| tree | b85f34e33787dedcd8f8b7d1653aa79ffd0e726e /drivers | |
| parent | 4a7bb1d93addb2f67e36fed00a53cb7f270d7b7a (diff) | |
| download | linux-stable-0b8a070a7c54f648c46fddbc2f40d2f18239a3e0.tar.gz linux-stable-0b8a070a7c54f648c46fddbc2f40d2f18239a3e0.tar.bz2 linux-stable-0b8a070a7c54f648c46fddbc2f40d2f18239a3e0.zip | |
usb: storage: Add check for kcalloc
[ Upstream commit c35ca10f53c51eeb610d3f8fbc6dd6d511b58a58 ]
As kcalloc may return NULL pointer, the return value should
be checked and return error if fails as same as the ones in
alauda_read_map.
Fixes: e80b0fade09e ("[PATCH] USB Storage: add alauda support")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20221208110058.12983-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/storage/alauda.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 878b4b8761f5..3dbd60540372 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -450,6 +450,8 @@ static int alauda_init_media(struct us_data *us) + MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift); MEDIA_INFO(us).pba_to_lba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO); MEDIA_INFO(us).lba_to_pba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO); + if (MEDIA_INFO(us).pba_to_lba == NULL || MEDIA_INFO(us).lba_to_pba == NULL) + return USB_STOR_TRANSPORT_ERROR; if (alauda_reset_media(us) != USB_STOR_XFER_GOOD) return USB_STOR_TRANSPORT_ERROR; |