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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-06-20 12:30:53 +0300
committerMark Brown <broonie@kernel.org>2017-06-28 22:16:41 +0300
commit704c3098e4c55a409eaf5ec89cee1bccc8d44f4c (patch)
treebc3eaa8bed4cff6a5b40eff96f2ba1d691875711 /drivers
parent478de2ba0d2dafcd460b17f032139e2b6b4eb1ac (diff)
downloadlinux-704c3098e4c55a409eaf5ec89cee1bccc8d44f4c.tar.xz
spi: loopback-test: Fix kfree() NULL pointer error.
Here, rx/tx allocation can fail. So avoid kvfree call with NULL pointer. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-loopback-test.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 514997a143dc..3459965004f8 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -1021,10 +1021,9 @@ int spi_test_run_tests(struct spi_device *spi,
rx = vmalloc(SPI_TEST_MAX_SIZE_PLUS);
else
rx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL);
- if (!rx) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!rx)
+ return -ENOMEM;
+
if (use_vmalloc)
tx = vmalloc(SPI_TEST_MAX_SIZE_PLUS);
@@ -1032,7 +1031,7 @@ int spi_test_run_tests(struct spi_device *spi,
tx = kzalloc(SPI_TEST_MAX_SIZE_PLUS, GFP_KERNEL);
if (!tx) {
ret = -ENOMEM;
- goto out;
+ goto err_tx;
}
/* now run the individual tests in the table */
@@ -1057,8 +1056,9 @@ int spi_test_run_tests(struct spi_device *spi,
}
out:
- kvfree(rx);
kvfree(tx);
+err_tx:
+ kvfree(rx);
return ret;
}
EXPORT_SYMBOL_GPL(spi_test_run_tests);