@@ -3201,11 +3201,11 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
/* ISO, ECMA, & ANSI versions */
inqdata[4] = 31;
/* length of additional data */
- strncpy(&inqdata[8], "Areca ", 8);
+ memcpy(&inqdata[8], "Areca ", 8);
/* Vendor Identification */
- strncpy(&inqdata[16], "RAID controller ", 16);
+ memcpy(&inqdata[16], "RAID controller ", 16);
/* Product Identification */
- strncpy(&inqdata[32], "R001", 4); /* Product Revision */
+ memcpy(&inqdata[32], "R001", 4); /* Product Revision */
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg)) + sg->offset;
inqdata is not NUL terminated. Fixes the following W=1 kernel build warning(s): In file included from include/linux/bitmap.h:9, from include/linux/nodemask.h:95, from include/linux/mmzone.h:17, from include/linux/gfp.h:6, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:16, from drivers/scsi/arcmsr/arcmsr_hba.c:47: In function ‘strncpy’, inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3055:3: include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] 297 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’ 307 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ In function ‘strncpy’, inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3053:3: include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 16 bytes from a string of the same length [-Wstringop-truncation] 297 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’ 307 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ In function ‘strncpy’, inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3051:3: include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation] 297 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’ 307 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ Cc: support@areca.com.tw Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/scsi/arcmsr/arcmsr_hba.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -- 2.25.1