[v1,1/1] dyndbg: Replace kstrdup() + strchr() with kstrdup_and_replace()

Message ID 20240213162741.3102810-1-andriy.shevchenko@linux.intel.com
State New
Headers
Series [v1,1/1] dyndbg: Replace kstrdup() + strchr() with kstrdup_and_replace() |

Commit Message

Andy Shevchenko Feb. 13, 2024, 4:27 p.m. UTC
  Replace open coded functionalify of kstrdup_and_replace() with a call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 lib/dynamic_debug.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
  

Comments

Luis Chamberlain Feb. 13, 2024, 7:14 p.m. UTC | #1
On Tue, Feb 13, 2024 at 06:27:41PM +0200, Andy Shevchenko wrote:
> Replace open coded functionalify of kstrdup_and_replace() with a call.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>

  Luis
  

Patch

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 6fba6423cc10..c78f335fa981 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -640,10 +640,9 @@  static int param_set_dyndbg_classnames(const char *instr, const struct kernel_pa
 	int cls_id, totct = 0;
 	bool wanted;
 
-	cl_str = tmp = kstrdup(instr, GFP_KERNEL);
-	p = strchr(cl_str, '\n');
-	if (p)
-		*p = '\0';
+	cl_str = tmp = kstrdup_and_replace(instr, '\n', '\0', GFP_KERNEL);
+	if (!tmp)
+		return -ENOMEM;
 
 	/* start with previously set state-bits, then modify */
 	curr_bits = old_bits = *dcp->bits;