[PATCH 2/5] arm64/zImage: Remove unnecessary allocation for kernel_uncompressed_buf

[Pingfan Liu]

Since slurp_decompress_file() allocates the buffer to hold the content
read from the file, no need to allocate the buffer again.

Signed-off-by: Pingfan Liu <piliu at redhat.com>
To: kexec at lists.infradead.org
Cc: horms at verge.net.au
Cc: ardb at kernel.org
Cc: jeremy.linton at arm.com

---
 kexec/arch/arm64/kexec-zImage-arm64.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/kexec/arch/arm64/kexec-zImage-arm64.c b/kexec/arch/arm64/kexec-zImage-arm64.c
index 6ee82ff..166d7ef 100644
--- a/kexec/arch/arm64/kexec-zImage-arm64.c
+++ b/kexec/arch/arm64/kexec-zImage-arm64.c
@@ -67,15 +67,6 @@ int zImage_arm64_probe(const char *kernel_buf, off_t kernel_size)
 		goto fail_mkstemp;
 	}
 
-	kernel_uncompressed_buf =
-		(char *) calloc(kernel_size, sizeof(off_t));
-	if (!kernel_uncompressed_buf) {
-		dbgprintf("%s: Can't calloc %ld bytes\n",
-				__func__, kernel_size);
-		ret= -ENOMEM;
-		goto fail_calloc;
-	}
-
 	/* slurp in the input kernel */
 	dbgprintf("%s: ", __func__);
 	kernel_uncompressed_buf = slurp_decompress_file(kernel_buf,
@@ -128,7 +119,6 @@ int zImage_arm64_probe(const char *kernel_buf, off_t kernel_size)
 fail_bad_header:
 	free(kernel_uncompressed_buf);
 
-fail_calloc:
 	if (fd >= 0)
 		close(fd);
 
-- 
2.31.1