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[PATCH 3/3] EDAC: skx_edac: Handle return value of kasprintf

From Arvind Yadav <arvind.yadav.cs@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 3/3] EDAC: skx_edac: Handle return value of kasprintf
Date 2017-09-21 10:00 +0200
Message-ID <us4yR-6pb-5@gated-at.bofh.it> (permalink)
References <us4yR-6pb-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/edac/skx_edac.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c
index 16dea97..a7b25bb 100644
--- a/drivers/edac/skx_edac.c
+++ b/drivers/edac/skx_edac.c
@@ -466,6 +466,11 @@ static int skx_register_mci(struct skx_imc *imc)
 
 	mci->ctl_name = kasprintf(GFP_KERNEL, "Skylake Socket#%d IMC#%d",
 				  imc->node_id, imc->lmc);
+	if (!mci->ctl_name) {
+		rc = -ENOMEM;
+		goto fail0;
+	}
+
 	mci->mtype_cap = MEM_FLAG_DDR4;
 	mci->edac_ctl_cap = EDAC_FLAG_NONE;
 	mci->edac_cap = EDAC_FLAG_NONE;
@@ -491,6 +496,7 @@ static int skx_register_mci(struct skx_imc *imc)
 
 fail:
 	kfree(mci->ctl_name);
+fail0:
 	edac_mc_free(mci);
 	imc->mci = NULL;
 	return rc;
-- 
1.9.1

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Thread

[PATCH 0/3] EDAC: Handle return value of kasprintf Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-09-21 10:00 +0200
  [PATCH 3/3] EDAC: skx_edac: Handle return value of kasprintf Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-09-21 10:00 +0200
  [PATCH 1/3] EDAC: i7core: Handle return value of kasprintf Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-09-21 10:00 +0200
  [PATCH 2/3] EDAC: sb_edac: Handle return value of kasprintf Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-09-21 10:00 +0200
  Re: [PATCH 0/3] EDAC: Handle return value of kasprintf Borislav Petkov <bp@alien8.de> - 2017-09-21 12:30 +0200

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