From: Mark Salyzyn <salyzyn@android.com>
Date: Tue, 13 Jan 2015 22:32:35 +0000 (-0800)
Subject: pstore: Remove superfluous memory size check
X-Git-Tag: v4.13~5793^2~3
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=ff6bf6e8024f073ecea7dbf5c6afe6bd3872a569;p=mirror_ubuntu-bionic-kernel.git

pstore: Remove superfluous memory size check

All previous checks will fail with error if memory size
is not sufficient to register a zone, so this legacy
check has become redundant.

Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 8613e5b35c22..34ed8f860e23 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -474,14 +474,6 @@ static int ramoops_probe(struct platform_device *pdev)
 	if (err)
 		goto fail_init_fprz;
 
-	if (!cxt->przs && !cxt->cprz && !cxt->fprz) {
-		pr_err("memory size too small, minimum is %zu\n",
-			cxt->console_size + cxt->record_size +
-			cxt->ftrace_size);
-		err = -EINVAL;
-		goto fail_cnt;
-	}
-
 	cxt->pstore.data = cxt;
 	/*
 	 * Console can handle any buffer size, so prefer LOG_LINE_MAX. If we
@@ -525,7 +517,6 @@ fail_buf:
 	kfree(cxt->pstore.buf);
 fail_clear:
 	cxt->pstore.bufsize = 0;
-fail_cnt:
 	kfree(cxt->fprz);
 fail_init_fprz:
 	kfree(cxt->cprz);