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classifier: fix string comparison

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2020-11-30 09:02:49 -05:00
parent a1a1585ee3
commit 3c678e57d7
1 changed files with 7 additions and 3 deletions
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10
modules/cas_cache/classifier.c
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@ -533,8 +533,10 @@ static cas_cls_eval_t _cas_cls_extension_test(
return cas_cls_eval_no; return cas_cls_eval_no;
/* First character of @extension is '.', which we don't want to compare */ /* First character of @extension is '.', which we don't want to compare */
len = strnlen(extension + 1, dentry->d_name.len); len = dentry->d_name.len - (extension - (char*)dentry->d_name.name) - 1;
len = min(ctx->len, len); if (len != ctx->len)
return cas_cls_eval_no;
if (strncmp(ctx->string, extension + 1, len) == 0) if (strncmp(ctx->string, extension + 1, len) == 0)
return cas_cls_eval_yes; return cas_cls_eval_yes;
@ -615,7 +617,9 @@ static cas_cls_eval_t _cas_cls_process_name_test(
get_task_comm(comm, ti); get_task_comm(comm, ti);
len = strnlen(comm, TASK_COMM_LEN); len = strnlen(comm, TASK_COMM_LEN);
len = min(ctx->len, len); if (len != ctx->len)
return cas_cls_eval_no;
if (strncmp(ctx->string, comm, len) == 0) if (strncmp(ctx->string, comm, len) == 0)
return cas_cls_eval_yes; return cas_cls_eval_yes;