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author | Sebastian Rasmussen <sebastian.rasmussen@stericsson.com> | 2011-02-08 16:57:27 +0100 |
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committer | Jean-Baptiste Queru <jbq@google.com> | 2012-05-29 08:48:51 -0700 |
commit | 6c29bbe8d58e6fe8755935a04166ecf82ff31f47 (patch) | |
tree | 816978ab1a5455edfc896935c5569c4682977f6e /boot.c | |
parent | f717a6ed5b25287fa9417096f90e7c047ace0c15 (diff) | |
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Detect and handle invalid number of FATs
If the number of FATs field in the boot sector is zero, give
an appropriate error code.
Change-Id: I56545fb322a9d4c94aea8ddbd4879701617100e4
Signed-off-by: Sebastian Rasmussen <sebastian.rasmussen@stericsson.com>
Signed-off-by: Christian Bejram <christian.bejram@stericsson.com>
Diffstat (limited to 'boot.c')
-rw-r--r-- | boot.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -205,6 +205,10 @@ readboot(dosfs, boot) pfatal("Invalid sector size: %u", boot->BytesPerSec); return FSFATAL; } + if (boot->FATs == 0) { + pfatal("Invalid number of FATs: %u", boot->FATs); + return FSFATAL; + } if (boot->Sectors) { boot->HugeSectors = 0; boot->NumSectors = boot->Sectors; |