Patch "crypto: qat - increase size of buffers" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

    crypto: qat - increase size of buffers

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     crypto-qat-increase-size-of-buffers.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 40b081101924f4ba8c5964d20879fd85cd2dbe70
Author: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Date:   Fri Sep 22 10:03:47 2023 +0100

    crypto: qat - increase size of buffers
    
    [ Upstream commit 4e4e2ed22d505c5bacf65c6a39bfb6d120d24785 ]
    
    Increase the size of the buffers used for composing the names used for
    the transport debugfs entries and the vector name to avoid a potential
    truncation.
    
    This resolves the following errors when compiling the driver with W=1
    and KCFLAGS=-Werror on GCC 12.3.1:
    
        drivers/crypto/intel/qat/qat_common/adf_transport_debug.c: In function ‘adf_ring_debugfs_add’:
        drivers/crypto/intel/qat/qat_common/adf_transport_debug.c:100:60: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=]
        drivers/crypto/intel/qat/qat_common/adf_isr.c: In function ‘adf_isr_resource_alloc’:
        drivers/crypto/intel/qat/qat_common/adf_isr.c:197:47: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size between 0 and 5 [-Werror=format-truncation=]
    
    Fixes: a672a9dc872e ("crypto: qat - Intel(R) QAT transport code")
    Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
    Reviewed-by: Damian Muszynski <damian.muszynski@xxxxxxxxx>
    Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
index e57abde66f4fb..1e84ff309ed3b 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h
@@ -29,7 +29,7 @@
 #define ADF_PCI_MAX_BARS 3
 #define ADF_DEVICE_NAME_LENGTH 32
 #define ADF_ETR_MAX_RINGS_PER_BANK 16
-#define ADF_MAX_MSIX_VECTOR_NAME 16
+#define ADF_MAX_MSIX_VECTOR_NAME 48
 #define ADF_DEVICE_NAME_PREFIX "qat_"
 
 enum adf_accel_capabilities {
diff --git a/drivers/crypto/intel/qat/qat_common/adf_transport_debug.c b/drivers/crypto/intel/qat/qat_common/adf_transport_debug.c
index 08bca1c506c0e..e2dd568b87b51 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_transport_debug.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_transport_debug.c
@@ -90,7 +90,7 @@ DEFINE_SEQ_ATTRIBUTE(adf_ring_debug);
 int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name)
 {
 	struct adf_etr_ring_debug_entry *ring_debug;
-	char entry_name[8];
+	char entry_name[16];
 
 	ring_debug = kzalloc(sizeof(*ring_debug), GFP_KERNEL);
 	if (!ring_debug)
@@ -192,7 +192,7 @@ int adf_bank_debugfs_add(struct adf_etr_bank_data *bank)
 {
 	struct adf_accel_dev *accel_dev = bank->accel_dev;
 	struct dentry *parent = accel_dev->transport->debug;
-	char name[8];
+	char name[16];
 
 	snprintf(name, sizeof(name), "bank_%02d", bank->bank_number);
 	bank->bank_debug_dir = debugfs_create_dir(name, parent);



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