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39 lines
937 B
39 lines
937 B
7 years ago
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--- a/diags/diag_disk.c
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+++ b/diags/diag_disk.c
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@@ -44,6 +44,7 @@
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#define DEVICE_TREE_SYSTEM_ID DEVICE_TREE"system-id"
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#define DEVICE_TREE_MODEL DEVICE_TREE"model"
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+#define BUFFER_LENGTH 16
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#define SERIAL_NUM_LEN 8
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#define MACHINE_MODEL_LEN 8
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@@ -196,15 +197,15 @@
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int device_fd;
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int rc;
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int start_index = 0;
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- char serial[SERIAL_NUM_LEN + 1] = {0};
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- char model[MACHINE_MODEL_LEN + 1] = {0};
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+ char serial[BUFFER_LENGTH] = {0};
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+ char model[BUFFER_LENGTH] = {0};
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char *temp;
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device_fd = open(DEVICE_TREE_SYSTEM_ID, O_RDONLY);
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if (device_fd < 0)
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return -1;
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- rc = read(device_fd, serial, SERIAL_NUM_LEN);
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+ rc = read(device_fd, serial, BUFFER_LENGTH);
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close(device_fd);
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if (rc <= 0)
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return -1;
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@@ -218,7 +219,7 @@
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if (device_fd < 0)
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return -1;
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- rc = read(device_fd, model, MACHINE_MODEL_LEN);
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+ rc = read(device_fd, model, BUFFER_LENGTH);
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close(device_fd);
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if (rc <= 0)
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return -1;
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