[cryptodev PATCH] qat: cleanup coccicheck warning - NULL check before freeing functions
From: Bruce Allan <hidden>
Date: 2014-10-15 18:33:25
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Analyzing with coccinelle MODE=report... Please check for false positives in the output before submitting a patch. When using "patch" mode, carefully review the patch before submitting it. drivers/crypto/qat/qat_dh895xcc/adf_isr.c:191:3-8: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values. drivers/crypto/qat/qat_dh895xcc/adf_isr.c:208:3-8: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values. Signed-off-by: Bruce Allan <redacted> --- drivers/crypto/qat/qat_dh895xcc/adf_isr.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c
index 67ec61e..c9212b9 100644
--- a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c
+++ b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c@@ -186,10 +186,8 @@ static int adf_isr_alloc_msix_entry_table(struct adf_accel_dev *accel_dev) accel_dev->accel_pci_dev.msix_entries.names = names; return 0; err: - for (i = 0; i < msix_num_entries; i++) { - if (*(names + i)) - kfree(*(names + i)); - } + for (i = 0; i < msix_num_entries; i++) + kfree(*(names + i)); kfree(entries); kfree(names); return -ENOMEM;
@@ -203,10 +201,8 @@ static void adf_isr_free_msix_entry_table(struct adf_accel_dev *accel_dev) int i; kfree(accel_dev->accel_pci_dev.msix_entries.entries); - for (i = 0; i < msix_num_entries; i++) { - if (*(names + i)) - kfree(*(names + i)); - } + for (i = 0; i < msix_num_entries; i++) + kfree(*(names + i)); kfree(names); }