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firmware_loader: Fix a NULL vs IS_ERR() check 

The crypto_alloc_shash() function doesn't return NULL, it returns
error pointers.  Update the check accordingly.

Fixes: 02fe26f253 ("firmware_loader: Add debug message with checksum for FW file")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/36ef6042-ce74-4e8e-9e2c-5b5c28940610@kili.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2023-05-16 11:12:51 +03:00 committed by Greg Kroah-Hartman
parent 71698da37c
commit ffa28312e2
1 changed files with 1 additions and 1 deletions
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2
drivers/base/firmware_loader/main.c
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@ -812,7 +812,7 @@ static void fw_log_firmware_info(const struct firmware *fw, const char *name, st
char *outbuf; char *outbuf;
alg = crypto_alloc_shash("sha256", 0, 0); alg = crypto_alloc_shash("sha256", 0, 0);
if (!alg) if (IS_ERR(alg))
return; return;
sha256buf = kmalloc(SHA256_DIGEST_SIZE, GFP_KERNEL); sha256buf = kmalloc(SHA256_DIGEST_SIZE, GFP_KERNEL);