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authorGustavo A. R. Silva <gustavoars@kernel.org>2020-10-03 02:10:33 +0300
committerJens Axboe <axboe@kernel.dk>2020-10-03 02:58:52 +0300
commitf5ace5ef37b1e1de49882248656f35c45e041585 (patch)
tree196851df93305c1d8483f09437dd4eb36688bee7 /block
parent99ba84c5de1e2f5b2b78e9e3bc89e50ec9bc0f29 (diff)
downloadlinux-f5ace5ef37b1e1de49882248656f35c45e041585.tar.xz
block: scsi_ioctl: Avoid the use of one-element arrays
One-element arrays are being deprecated[1]. Replace the one-element array with a simple object of type compat_caddr_t: 'compat_caddr_t unused'[2], once it seems this field is actually never used. Also, update struct cdrom_generic_command in UAPI by adding an anonimous union to avoid using the one-element array _reserved_. [1] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays [2] https://github.com/KSPP/linux/issues/86 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://lore.kernel.org/lkml/5f76f5d0.qJ4t%2FHWuRzSW7bTa%25lkp@intel.com/ Build-tested-by: kernel test robot <lkp@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/scsi_ioctl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 4421e61c1af1..227f489aeaa5 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -651,7 +651,7 @@ struct compat_cdrom_generic_command {
unsigned char data_direction;
compat_int_t quiet;
compat_int_t timeout;
- compat_caddr_t reserved[1];
+ compat_caddr_t unused;
};
#endif
@@ -673,7 +673,7 @@ static int scsi_get_cdrom_generic_arg(struct cdrom_generic_command *cgc,
.data_direction = cgc32.data_direction,
.quiet = cgc32.quiet,
.timeout = cgc32.timeout,
- .reserved[0] = compat_ptr(cgc32.reserved[0]),
+ .unused = compat_ptr(cgc32.unused),
};
memcpy(&cgc->cmd, &cgc32.cmd, CDROM_PACKET_SIZE);
return 0;
@@ -698,7 +698,7 @@ static int scsi_put_cdrom_generic_arg(const struct cdrom_generic_command *cgc,
.data_direction = cgc->data_direction,
.quiet = cgc->quiet,
.timeout = cgc->timeout,
- .reserved[0] = (uintptr_t)(cgc->reserved[0]),
+ .unused = (uintptr_t)(cgc->unused),
};
memcpy(&cgc32.cmd, &cgc->cmd, CDROM_PACKET_SIZE);