lkml.org 
[lkml]   [2022]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] arch: sparc: Use strscpy to replace strlcpy

The strlcpy should not be used because it doesn't limit the source
length. Preferred is strscpy.

Signed-off-by: XueBing Chen <chenxuebing@jari.cn>
---
arch/sparc/kernel/ioport.c | 2 +-
arch/sparc/kernel/setup_32.c | 2 +-
arch/sparc/kernel/setup_64.c | 2 +-
arch/sparc/prom/bootstr_32.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 4e4f3d3263e4..a8cbe403301f 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -191,7 +191,7 @@ static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
tack += sizeof (struct resource);
}

- strlcpy(tack, name, XNMLN+1);
+ strscpy(tack, name, XNMLN+1);
res->name = tack;

va = _sparc_ioremap(res, busno, phys, size);
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index c8e0dd99f370..ace0e9adfd77 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -302,7 +302,7 @@ void __init setup_arch(char **cmdline_p)

/* Initialize PROM console and command line. */
*cmdline_p = prom_getbootargs();
- strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+ strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
parse_early_param();

boot_flags_init(*cmdline_p);
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 48abee4eee29..6546ca9d4d3f 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -636,7 +636,7 @@ void __init setup_arch(char **cmdline_p)
{
/* Initialize PROM console and command line. */
*cmdline_p = prom_getbootargs();
- strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+ strscpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
parse_early_param();

boot_flags_init(*cmdline_p);
diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c
index e3b731ff00f0..1c7cd258b0dc 100644
--- a/arch/sparc/prom/bootstr_32.c
+++ b/arch/sparc/prom/bootstr_32.c
@@ -52,7 +52,7 @@ prom_getbootargs(void)
* V3 PROM cannot supply as with more than 128 bytes
* of an argument. But a smart bootstrap loader can.
*/
- strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf));
+ strscpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf));
break;
default:
break;
--
2.36.1

\
 
 \ /
  Last update: 2022-05-22 10:57    [W:0.035 / U:0.636 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site