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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-01-29 04:36:12 +0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-02-09 05:59:26 +0400 |
| commit | fecfd7f7e91fc1e82d44b0e64a6bda8133f2037b (patch) | |
| tree | b32b08fbc1f19fe8543ecc5d4c222e172a83cd1e /drivers/crypto/mxs-dcp.c | |
| parent | e921f0307531b27dbe34c17e8a5be5a88010d179 (diff) | |
| download | linux-fecfd7f7e91fc1e82d44b0e64a6bda8133f2037b.tar.xz | |
crypto: mxs-dcp: Check the return value of stmp_reset_block()
stmp_reset_block() may fail, so check its return value and propagate it in the
case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/mxs-dcp.c')
| -rw-r--r-- | drivers/crypto/mxs-dcp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index 30941d0c5803..37e070670702 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -949,7 +949,9 @@ static int mxs_dcp_probe(struct platform_device *pdev) } /* Restart the DCP block. */ - stmp_reset_block(sdcp->base); + ret = stmp_reset_block(sdcp->base); + if (ret) + goto err_mutex; /* Initialize control register. */ writel(MXS_DCP_CTRL_GATHER_RESIDUAL_WRITES | |