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stlink-common: Make stlink API propagate backend errors
[fw/stlink]
/
src
/
mmap.c
diff --git
a/src/mmap.c
b/src/mmap.c
index 9c631da2dd41dcd473173c17e40cae826a036345..c5794da9195748e6b2cccca1cbccbc097d52a94b 100644
(file)
--- a/
src/mmap.c
+++ b/
src/mmap.c
@@
-7,27
+7,27
@@
void *mmap (void *addr, size_t len, int prot, int flags, int fd, long long offset) {
void *mmap (void *addr, size_t len, int prot, int flags, int fd, long long offset) {
-
void *buf;
-
ssize_t count;
+ void *buf;
+ ssize_t count;
-
if ( addr || fd == -1 || (prot & PROT_WRITE)) return MAP_FAILED;
+ if ( addr || fd == -1 || (prot & PROT_WRITE)) return MAP_FAILED;
-
buf = malloc(len);
-
if ( NULL == buf ) return MAP_FAILED;
+ buf = malloc(len);
+ if ( NULL == buf ) return MAP_FAILED;
-
if (lseek(fd,offset,SEEK_SET) != offset) return MAP_FAILED;
+ if (lseek(fd,offset,SEEK_SET) != offset) return MAP_FAILED;
-
count = read(fd, buf, len);
+ count = read(fd, buf, len);
-
if (count != len) {
-
free (buf);
-
return MAP_FAILED;
-
}
+ if (count != len) {
+ free (buf);
+ return MAP_FAILED;
+ }
-
return buf;
+ return buf;
}
int munmap (void *addr, size_t len) {
}
int munmap (void *addr, size_t len) {
-
free (addr);
-
return 0;
+ free (addr);
+ return 0;
}
}