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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-09-21 12:16:56 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2017-09-21 12:18:44 +0200 |
| commit | 75f029c3a83f3e7a1d0d928efa4fe47dd6a8a9eb (patch) | |
| tree | eb03274258a15fc3c08963a1b6cdb8b24c4811ef /drivers/edac | |
| parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
| download | linux-75f029c3a83f3e7a1d0d928efa4fe47dd6a8a9eb.tar.bz2 | |
EDAC: Handle return value of kasprintf()
kasprintf() can fail and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: linux-edac@vger.kernel.org
[ Merged into a single patch, small formatting fixups. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/i7core_edac.c | 11 | ||||
| -rw-r--r-- | drivers/edac/sb_edac.c | 5 | ||||
| -rw-r--r-- | drivers/edac/skx_edac.c | 9 |
3 files changed, 21 insertions, 4 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index c16c3b931b3d..8c5540160a23 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -2159,8 +2159,13 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev) mci->edac_ctl_cap = EDAC_FLAG_NONE; mci->edac_cap = EDAC_FLAG_NONE; mci->mod_name = "i7core_edac.c"; - mci->ctl_name = kasprintf(GFP_KERNEL, "i7 core #%d", - i7core_dev->socket); + + mci->ctl_name = kasprintf(GFP_KERNEL, "i7 core #%d", i7core_dev->socket); + if (!mci->ctl_name) { + rc = -ENOMEM; + goto fail1; + } + mci->dev_name = pci_name(i7core_dev->pdev[0]); mci->ctl_page_to_phys = NULL; @@ -2214,6 +2219,8 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev) fail0: kfree(mci->ctl_name); + +fail1: edac_mc_free(mci); i7core_dev->mci = NULL; return rc; diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index dc0591654011..2078ee414568 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -3287,6 +3287,11 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) break; } + if (!mci->ctl_name) { + rc = -ENOMEM; + goto fail0; + } + /* Get dimm basic config and the memory layout */ rc = get_dimm_config(mci); if (rc < 0) { diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c index 16dea97568a1..3fe85b0ac274 100644 --- a/drivers/edac/skx_edac.c +++ b/drivers/edac/skx_edac.c @@ -464,8 +464,12 @@ static int skx_register_mci(struct skx_imc *imc) pvt = mci->pvt_info; pvt->imc = imc; - mci->ctl_name = kasprintf(GFP_KERNEL, "Skylake Socket#%d IMC#%d", - imc->node_id, imc->lmc); + 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 +495,7 @@ static int skx_register_mci(struct skx_imc *imc) fail: kfree(mci->ctl_name); +fail0: edac_mc_free(mci); imc->mci = NULL; return rc; |