[PATCH] firmware_loader: Fix a NULL vs IS_ERR() check

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

Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/base/firmware_loader/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index 9d79d5ad9102..b58c42f1b1ce 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -812,7 +812,7 @@ static void fw_log_firmware_info(const struct firmware *fw, const char *name, st
 	char *outbuf;
 
 	alg = crypto_alloc_shash("sha256", 0, 0);
-	if (!alg)
+	if (IS_ERR(alg))
 		return;
 
 	sha256buf = kmalloc(SHA256_DIGEST_SIZE, GFP_KERNEL);
-- 
2.39.2




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