The patch titled Subject: dyndbg: replace kstrdup() + strchr() with kstrdup_and_replace() has been added to the -mm mm-nonmm-unstable branch. Its filename is dyndbg-replace-kstrdup-strchr-with-kstrdup_and_replace.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/dyndbg-replace-kstrdup-strchr-with-kstrdup_and_replace.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Subject: dyndbg: replace kstrdup() + strchr() with kstrdup_and_replace() Date: Tue, 13 Feb 2024 18:27:41 +0200 Replace open coded functionalify of kstrdup_and_replace() with a call. Link: https://lkml.kernel.org/r/20240213162741.3102810-1-andriy.shevchenko@xxxxxxxxxxxxxxx Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Cc: Jason Baron <jbaron@xxxxxxxxxx> Cc: Jim Cromie <jim.cromie@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/dynamic_debug.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/lib/dynamic_debug.c~dyndbg-replace-kstrdup-strchr-with-kstrdup_and_replace +++ a/lib/dynamic_debug.c @@ -640,10 +640,9 @@ static int param_set_dyndbg_classnames(c 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; _ Patches currently in -mm which might be from andriy.shevchenko@xxxxxxxxxxxxxxx are dyndbg-replace-kstrdup-strchr-with-kstrdup_and_replace.patch