From 6d65bfcf809d9b9be08027472ab1884c709d65c0 Mon Sep 17 00:00:00 2001
From: Patrick Marlier <patrick.marlier@gmail.com>
Date: Tue, 4 Dec 2012 09:06:06 +0100
Subject: [PATCH] lib: g_malloc never fails

Or rather, it never returns errors and aborts instead if
memory cannot be allocated, so remove code that handled
failures.

https://bugs.freedesktop.org/show_bug.cgi?id=57869
---
 libfprint/drivers/aes1660.c | 9 ---------
 libfprint/drivers/aes2550.c | 4 ----
 libfprint/drivers/aes2660.c | 9 ---------
 libfprint/drivers/aesx660.c | 4 ----
 4 files changed, 26 deletions(-)

diff --git a/libfprint/drivers/aes1660.c b/libfprint/drivers/aes1660.c
index e647ea5..250ca52 100644
--- a/libfprint/drivers/aes1660.c
+++ b/libfprint/drivers/aes1660.c
@@ -48,16 +48,7 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
 	}
 
 	dev->priv = aesdev = g_malloc0(sizeof(struct aesX660_dev));
-	if (!aesdev)
-		return -ENOMEM;
-
 	aesdev->buffer = g_malloc0(AES1660_FRAME_SIZE + AESX660_HEADER_SIZE);
-	if (!aesdev->buffer) {
-		g_free(aesdev);
-		dev->priv = NULL;
-		return -ENOMEM;
-	}
-
 	aesdev->h_scale_factor = SCALE_FACTOR;
 	aesdev->init_seqs[0] = aes1660_init_1;
 	aesdev->init_seqs_len[0] = array_n_elements(aes1660_init_1);
diff --git a/libfprint/drivers/aes2550.c b/libfprint/drivers/aes2550.c
index 96ce590..dcfbc82 100644
--- a/libfprint/drivers/aes2550.c
+++ b/libfprint/drivers/aes2550.c
@@ -215,10 +215,6 @@ static int process_strip_data(struct fpi_ssm *ssm, unsigned char *data)
 		fp_dbg("Bogus frame len: %.4x\n", len);
 	}
 	stripdata = g_malloc(FRAME_WIDTH * FRAME_HEIGHT / 2); /* 4 bits per pixel */
-	if (!stripdata) {
-		fpi_ssm_mark_aborted(ssm, -ENOMEM);
-		return -ENOMEM;
-	}
 	memcpy(stripdata, data + 33, FRAME_WIDTH * FRAME_HEIGHT / 2);
 	aesdev->strips = g_slist_prepend(aesdev->strips, stripdata);
 	aesdev->strips_len++;
diff --git a/libfprint/drivers/aes2660.c b/libfprint/drivers/aes2660.c
index bc1dd00..4be7475 100644
--- a/libfprint/drivers/aes2660.c
+++ b/libfprint/drivers/aes2660.c
@@ -47,16 +47,7 @@ static int dev_init(struct fp_img_dev *dev, unsigned long driver_data)
 	}
 
 	dev->priv = aesdev = g_malloc0(sizeof(struct aesX660_dev));
-	if (!aesdev)
-		return -ENOMEM;
-
 	aesdev->buffer = g_malloc0(AES2660_FRAME_SIZE + AESX660_HEADER_SIZE);
-	if (!aesdev->buffer) {
-		g_free(aesdev);
-		dev->priv = NULL;
-		return -ENOMEM;
-	}
-
 	/* No scaling for AES2660 */
 	aesdev->h_scale_factor = 1;
 	aesdev->init_seqs[0] = aes2660_init_1;
diff --git a/libfprint/drivers/aesx660.c b/libfprint/drivers/aesx660.c
index ff4f50c..d030d0e 100644
--- a/libfprint/drivers/aesx660.c
+++ b/libfprint/drivers/aesx660.c
@@ -278,10 +278,6 @@ static int process_stripe_data(struct fpi_ssm *ssm, unsigned char *data)
 	struct aesX660_dev *aesdev = dev->priv;
 
 	stripdata = g_malloc(aesdev->frame_width * FRAME_HEIGHT / 2); /* 4 bits per pixel */
-	if (!stripdata) {
-		fpi_ssm_mark_aborted(ssm, -ENOMEM);
-		return 1;
-	}
 
 	fp_dbg("Processing frame %.2x %.2x", data[AESX660_IMAGE_OK_OFFSET],
 		data[AESX660_LAST_FRAME_OFFSET]);