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openSUSE:Leap:15.4:Update
ppc64-diag.10030
ppc64-diag.bug-1072708_increase_buffer_for_vpd....
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File ppc64-diag.bug-1072708_increase_buffer_for_vpd.patch of Package ppc64-diag.10030
commit 1837ee17e201c66ed13ae1665a08a92fc42cb347 Author: Ankit Kumar <ankit@linux.vnet.ibm.com> Date: Tue Dec 5 14:56:12 2017 +0530 diags: Increase buffer length size to read complete system vpd information System vpd information(system id, model) can have prefix substring as IBM and hence our buffer must handle those extra string to get correct serial number and model information. This patch increased buffer length to 16 bytes(8-serial/model number + 8 - to capture other substring). Signed-off-by: Ankit Kumar <ankit@linux.vnet.ibm.com> Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Index: ppc64-diag-2.7.4/diags/diag_disk.c =================================================================== --- ppc64-diag-2.7.4.orig/diags/diag_disk.c +++ ppc64-diag-2.7.4/diags/diag_disk.c @@ -44,6 +44,7 @@ #define DEVICE_TREE_SYSTEM_ID DEVICE_TREE"system-id" #define DEVICE_TREE_MODEL DEVICE_TREE"model" +#define BUFFER_LENGTH 16 #define SERIAL_NUM_LEN 8 #define MACHINE_MODEL_LEN 8 @@ -196,15 +197,15 @@ static int get_system_vpd(char *machine_ int device_fd; int rc; int start_index = 0; - char serial[SERIAL_NUM_LEN + 1] = {0}; - char model[MACHINE_MODEL_LEN + 1] = {0}; + char serial[BUFFER_LENGTH] = {0}; + char model[BUFFER_LENGTH] = {0}; char *temp; device_fd = open(DEVICE_TREE_SYSTEM_ID, O_RDONLY); if (device_fd < 0) return -1; - rc = read(device_fd, serial, SERIAL_NUM_LEN); + rc = read(device_fd, serial, BUFFER_LENGTH); close(device_fd); if (rc <= 0) return -1; @@ -218,7 +219,7 @@ static int get_system_vpd(char *machine_ if (device_fd < 0) return -1; - rc = read(device_fd, model, MACHINE_MODEL_LEN); + rc = read(device_fd, model, BUFFER_LENGTH); close(device_fd); if (rc <= 0) return -1;
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