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authorKees Cook <keescook@chromium.org>2023-01-05 15:30:46 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2023-01-13 20:25:53 -0500
commit64b6deadc938b37717aa1338715cb7ef5e7d444c (patch)
treed784bce4bf9e09c7681cc5468bfaf885ae1a16a0
parent201e0a7c7f36ccb70b532e04ea2f48031f219e74 (diff)
scsi: uapi: Replace 0-length array with flexible array
Zero-length arrays are deprecated[1]. Replace struct fc_bsg_host_vendor_reply's "vendor_rsp" 0-length array with a flexible array. Detected with GCC 13, using -fstrict-flex-arrays=3: drivers/scsi/qla2xxx/qla_isr.c: In function 'qla25xx_process_bidir_status_iocb.isra': drivers/scsi/qla2xxx/qla_isr.c:3117:54: warning: array subscript 0 is outside array bounds of '__u32[0]' {aka 'unsigned int[]'} [-Warray-bounds=] 3117 | bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ In file included from drivers/scsi/qla2xxx/qla_def.h:34, from drivers/scsi/qla2xxx/qla_isr.c:6: include/uapi/scsi/scsi_bsg_fc.h:219:15: note: while referencing 'vendor_rsp' 219 | __u32 vendor_rsp[0]; | ^~~~~~~~~~ [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Link: https://lore.kernel.org/r/20230105233042.never.913-kees@kernel.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--include/uapi/scsi/scsi_bsg_fc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/scsi/scsi_bsg_fc.h b/include/uapi/scsi/scsi_bsg_fc.h
index 7f5930801f72..5e46cf1054af 100644
--- a/include/uapi/scsi/scsi_bsg_fc.h
+++ b/include/uapi/scsi/scsi_bsg_fc.h
@@ -216,7 +216,7 @@ struct fc_bsg_host_vendor {
*/
struct fc_bsg_host_vendor_reply {
/* start of vendor response area */
- __u32 vendor_rsp[0];
+ __DECLARE_FLEX_ARRAY(__u32, vendor_rsp);
};